%0 Journal Article
%A I. N. Vashchenko
%T A problem of least-squares type
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 2008
%P 51-53
%N 4
%U http://geodesic.mathdoc.fr/item/VMUMM_2008_4_a9/
%G ru
%F VMUMM_2008_4_a9