%0 Journal Article %A M. I. Kamenskii %T On the investigation of the stability of periodic solutions for a %J Doklady Akademii Nauk %D 1997 %P 13-16 %V 353 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1997_353_1_a2/ %G ru %F DAN_1997_353_1_a2