%0 Journal Article
%A N. A. Shirokov
%T On a~generalization of Ahlfors' theorem
%J Zapiski Nauchnykh Seminarov POMI
%D 1974
%P 179-185
%V 44
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1974_44_a9/
%G ru
%F ZNSL_1974_44_a9