%0 Journal Article %A Yu. M. Pochtman %T Optimization of constructions under restrictions imposed on their dynamic and frequency characteristics %J Doklady Akademii Nauk %D 1972 %P 307-308 %V 203 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_203_2_a12/ %G ru %F DAN_1972_203_2_a12