%0 Journal Article
%A V. A. Daugavet
%A P. V. Yakovlev
%T Mean-square approximation of a rectangular matrix by matrices of smaller rank
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 1989
%P 1466-1479
%V 29
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZVMMF_1989_29_10_a2/
%G ru
%F ZVMMF_1989_29_10_a2