%0 Journal Article %A E. I. Kaikina %A P. I. Naumkin %A I. A. Shishmarev %T Periodic Boundary Value Problem for Nonlinear Sobolev-Type Equations %J Funkcionalʹnyj analiz i ego priloženiâ %D 2010 %P 14-26 %V 44 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2010_44_3_a1/ %G ru %F FAA_2010_44_3_a1