%0 Journal Article %A Ya. M. Dymarskii %A D. N. Nepiypa %T A quasilinear method in the theory of small eigenfunctions for nonlinear periodic boundary-value problems %J Contemporary Mathematics. Fundamental Directions %D 2010 %P 72-86 %V 36 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMFD_2010_36_a6/ %G ru %F CMFD_2010_36_a6