%0 Journal Article %A V. K. Mel'nikov %T Qualitative description of strong resonance in a nonlinear system %J Doklady Akademii Nauk %D 1963 %P 1257-1260 %V 148 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_148_6_a5/ %G ru %F DAN_1963_148_6_a5