%0 Journal Article %A A. N. Kulikov %T An analogue of the Hopf bifurcation theorem in a problem on the mathematical investigation of a nonlinear panel flutter with a small damping coefficient %J Differencialʹnye uravneniâ %D 1993 %P 780-785 %V 29 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_5_a6/ %G ru %F DE_1993_29_5_a6