%0 Journal Article
%A V. I. Zaitsev
%T On a problem of P.\,S.~Aleksandrov
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1987
%P 9-12
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1987_1_a2/
%G ru
%F VMUMM_1987_1_a2