%0 Journal Article %A V. N. Fomin %T The perturbation method in the theory of dynamic stability of systems with distributed parameters %J Doklady Akademii Nauk %D 1965 %P 830-833 %V 163 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_163_4_a11/ %G ru %F DAN_1965_163_4_a11