%0 Journal Article
%A I. Yu. Ryzhakov
%T An analog for the disk of Zolotarev's problem
%J Doklady Akademii Nauk
%D 1974
%P 740-743
%V 216
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_216_4_a8/
%G ru
%F DAN_1974_216_4_a8