%0 Journal Article
%A Z. A. Yanson
%T Asymptotics of solutions of second-order differential equations with two turning points and a complex parameter.~I
%J Zapiski Nauchnykh Seminarov POMI
%D 1976
%P 220-233
%V 62
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1976_62_a17/
%G ru
%F ZNSL_1976_62_a17