%0 Journal Article %A A. N. Kosolapov %T An adaptive property of an oscillatory system with %J Doklady Akademii Nauk %D 1989 %P 293-296 %V 309 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_309_2_a8/ %G ru %F DAN_1989_309_2_a8