@article{olver:1980:whi, author = {Olver, F. W. J.}, title = {{W}hittaker functions with both parameters large: Uniform approximations in terms of parabolic cylinder functions}, journal = {Proc. Roy. Soc. Edinburgh Sect. A}, fjournal = {Proceedings of the Royal Society of Edinburgh. Section A. Mathematical and Physical Sciences}, volume = {86}, year = {1980}, number = {3-4}, pages = {213–234}, issn = {0308-2105}, coden = {PEAMDU}, mrclass = {34E20 (33A40)}, mrnumber = {MR0592550 (82c:34068)}, mrreviewer = {P. F. Hsieh}, zblno = {0446.33008}}