%0 Journal Article %A D. M. Fage %T On a nonlinear problem with a constraint of evolution type %J Doklady Akademii Nauk %D 1982 %P 545-549 %V 262 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_262_3_a8/ %G ru %F DAN_1982_262_3_a8