%0 Journal Article %A A. G. Podgaev %T Compactness of certain nonlinear sets %J Doklady Akademii Nauk %D 1985 %P 1064-1066 %V 285 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_285_5_a9/ %G ru %F DAN_1985_285_5_a9