Boros G.,Moll V. H.,Chu W.,Wang X. X.,Zheng D. Y.,Comtet L.,Combinatorics Advanced,Reidel D. .1974 .Application of the residue theorem to bilateral hypergeometric series. Le Mat, 62 : 127-146.
Holland F. .2022 .. Amer. Math. Monthly, 129 : 588.
Li C.,Chu W.,Riordan J. .1968 .Improper integrals involving powers of inverse trigonometric and hyperbolic functions. Mathematics, 10 : 2980.
Titchmarsh E. C.,C. I. E. C.,Wilf H. S. .1994 .Vaˇ lean, (Almost) Impossible Integrals. 2nd Edition, : .