0: Introduction -- 1: Elements of the Theory of Lie Groups and Lie Algebras -- 1.0. Preliminary Information from Algebra, Topology, and Functional Analysis -- 1.1. Lie Groups and Lie Algebras -- 1.2. Homogeneous Spaces with Semisimple Groups of Motions -- 2: Group Representations and Harmonic Analysis on Groups -- 2.1. Representations of Lie Groups and Lie Algebras -- 2.2. Basic Concepts of the Theory of Representations -- 2.3. Harmonic Analysis on Groups and on Homogeneous Spaces -- 3: Commutative Groups and Elementary Functions. The Group of Linear Transformations of the Straight Line and the Gamma-Function. Hypergeometric Functions -- 3.1. Representations of One-Dimensional Commutative Lie Groups and Elementary Functions -- 3.2. The Groups SO(2) and R, Fourier Series and Integrals -- 3.3. Fourier Transform in the Complex Domain. Mellin and Laplace Transforms -- 3.4. Representations of the Group of Linear Transforms of the Straight Line and the Gamma-Function -- 3.5. Hypergeometric Functions and Their Properties -- 4: Representations of the Groups of Motions of Euclidean and Pseudo-Euclidean Planes, and Cylindrical Functions -- 4.1. Representations of the Group ISO(2) and Bessel Functions with Integral Index -- 4.2. Representations of the Group ISO(1,1), Macdonald and Hankel Functions -- 4.3. Functional Relations for Cylindrical Functions -- 4.4. Quasi-Regular Representations of the Groups ISO(2), ISO(1,1) and Integral Transforms -- 5: Representations of Groups of Third Order Triangular Matrices, the Confluent Hypergeometric Function, and Related Polynomials and Functions -- 5.1. Representations of the Group of Third Order Real Triangular Matrices -- 5.2. Functional Relations for Whittaker Functions -- 5.3. Functional Relations for the Confluent Hypergeometric Function and for Parabolic Cylinder Functions -- 5.4. Integrals Involving Whittaker Functions and Parabolic Cylinder Functions -- 5.5. Representations of the Group of Complex Third Order Triangular Matrices, Laguerre and Charlier Polynomials -- 6: Representations of the Groups SU(2), SU(1,1) and Related Special Functions: Legendre, Jacobi, Chebyshev Polynomials and Functions, Gegenbauer, Krawtchouk, Meixner Polynomials -- 6.1. The Groups SU(2) and SU(1,1) -- 6.2. Finite Dimensional Irreducible Representations of the Groups GL(2,C) and SU(2) -- 6.3. Matrix Elements of the Representations T? of the Group SL(2, C) and Jacobi, Gegenbauer and Legendre Polynomials -- 6.4. Representations of the Group SU(1,1) -- 6.5. Matrix Elements of Representations of SU(1, 1), Jacobi and Legendre Functions -- 6.6. Addition Theorems and Multiplication Formulas -- 6.7. Generating Functions and Recurrence Formulas -- 6.8. Matrix Elements of Representations of SU(2) and SU(1,1) as Functions of Column Index. Krawtchouk and Meixner Polynomials -- 6.9. Characters of Representations of SU(2) and Chebyshev Polynomials -- 6.10. Expansion of Functions on the Group SU(2) -- 7: Representations of the Groups SU(1,1) and SL(2,?) in Mixed Bases. The Hypergeometric Function -- 7.1. The Realization of Representations T? in the Space of Functions on the Straight Line -- 7.2. Calculation of the Kernels of Representations R? -- 7.3. Functional Relations for the Hypergeometric Function -- 7.4. Special Functions Connected with the Hypergeometric Function -- 7.5. The Mellin Transform and Addition Formulas for the Hypergeometric Function -- 7.6. The Kernels K33(?,?; ?; g) and Hankel Functions -- 7.7. The Kernels Kij(?, ?; ? g), i ? j, and Special Functions -- 7.8. Harmonic Analysis on the Group SL(2, R) and Integral Transforms -- 8: Clebsch-Gordan Coefficients, Racah Coefficients, and Special Functions -- 8.1. Clebsch-Gordan Coefficients of the Group SU(2) -- 8.2. Properties of CGC's of the Group SU(2) -- 8.3. CGC's, the Hypergeometric Function 3F2(...; 1) and Jacobi Polynomials -- 8.4. Racah Coefficients of SU(2) and the Hypergeometric Function 4F3(...; 1) -- 8.5. Hahn and Racah Polynomials -- 8.6. Clebsch-Gordan and Racah Coefficients of the Group S and Orthogonal Polynomials -- 8.7. Clebsch-Gordan Coefficients of the Group SL(2, R).