@article{boyd:1987:aec, author = {Boyd, W. G. C.}, title = {Asymptotic expansions for the coefficient functions that arise in turning-point problems}, journal = {Proc. Roy. Soc. London Ser. A}, fjournal = {Proceedings of the Royal Society. London. Series A. Mathematical and Physical Sciences}, volume = {410}, year = {1987}, pages = {35–60}, issn = {0080-4630}, coden = {PRLAAZ}, mrclass = {34E05 (34E20)}, mrnumber = {MR0882319 (88g:34090)}, mrreviewer = {P. F. Hsieh}, links = {\URL[FullText]{http://links.jstor.org/sici?sici=0080-4630%2819870309%29410%3A1838%3C35%3AAEFTCF%3E2.0.CO%3B2-B}}, zblno = {0614.33011}}