%0 Journal Article %A L. A. Kalyakin %T Local resonance in a weakly nonlinear problem %J Matematičeskie zametki %D 1988 %P 697-699 %V 44 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1988_44_5_a14/ %G ru %F MZM_1988_44_5_a14