%0 Journal Article
%A Yu. E. Alenitsyn
%T Extremal properties of mappings onto surfaces with parallel slits
%J Izvestiya. Mathematics 
%D 1979
%P 1-8
%V 13
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1979_13_1_a0/
%G en
%F IM2_1979_13_1_a0