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2. Szegoo, G., Orthogonal polynomials, Providence: AMS, 1959. Translated under the title Ortogonal’nye mnogochleny, Moscow: Fizmatgiz, 1962.
3. Bateman, H. and Erdélyi, A., Higher Transcendental Functions, New York: McGraw-Hill, 1953. Translated under the title Vysshie transtsendentnye funktsii, Moscow: Nauka, 1974, vol. 2.
4. Suetin, P.K., Klassicheskie ortogonal’nye polynomial’nye mnogochleny (Classical Orthogonal Polynomials Multinomials), Moscow: Nauka, 1979.
5. Gasper, G. and Rahman, M., Basic Hypergeometric Series, Cambridge: Cambridge Univ. Press, 1990. Translated under the title Bazisnye gipergeometricheskie ryady, Moscow: Mir, 1993.