%0 Journal Article %A Yu. I. Sapronov %T Two-mode bifurcation of solutions of the von K\'arm\'an equation %J Differencialʹnye uravneniâ %D 1989 %P 1078-1081 %V 25 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1989_25_6_a34/ %G ru %F DE_1989_25_6_a34