1. Theory of Incomplete Cylindrical Functions and Their Applications (translated from Russian by H.E. Fettis, J.W. Goresh, D.A. Lee);Agrest,1971
2. Handbook of Mathematical Functions;Abramowitz,1964
3. The q-Gamma and q-Beta functions;Askey;Appl. Anal.,1978
4. Ramanujan's extension of the Gamma and Beta functions;Askey;Amer. Math. Monthly,1980
5. A.C. Atkinson, The simulation of generalized inverse Gaussian, generalized hyperbolic, gamma and related random variables, Research Report No. 52, Dept. Theor. Statist., Aarhus University (1979)