%0 Journal Article
%A A. Yu. Daletskii
%T The problem of factorization in a symplectic groupoid and
%J Doklady Akademii Nauk
%D 1989
%P 1033-1037
%V 308
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1989_308_5_a0/
%G ru
%F DAN_1989_308_5_a0