%0 Journal Article %A Sh. M. Nasibov %T Optimal constants in some Sobolev inequalities and their applications to the nonlinear Schr\"odinger equation %J Doklady Akademii Nauk %D 1989 %P 538-542 %V 307 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_307_3_a5/ %G ru %F DAN_1989_307_3_a5