%0 Journal Article
%A I. V. Viten'ko
%A A. N. Kostovskii
%T Determination of principal indices of Laurent series
%J Doklady Akademii Nauk
%D 1964
%P 732-734
%V 155
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1964_155_4_a2/
%G ru
%F DAN_1964_155_4_a2