%0 Journal Article %A R. F. Bikbaev %T Complex Whitham-deformations in problems with ``integrable instability'' %J Zapiski Nauchnykh Seminarov POMI %D 1995 %P 87-121 %V 224 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1995_224_a8/ %G ru %F ZNSL_1995_224_a8