%0 Journal Article %A A. K. Kerimov %T On optimization problems with free boundaries %J Doklady Akademii Nauk %D 1982 %P 545-548 %V 266 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_266_3_a6/ %G ru %F DAN_1982_266_3_a6