%0 Journal Article %A S. M. Aizikovich %A I. S. Trubchik %T Asymptotic properties of an approximate solution of a class of %J Doklady Akademii Nauk %D 1989 %P 316-320 %V 307 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_307_2_a13/ %G ru %F DAN_1989_307_2_a13