%0 Journal Article %A V. S. Gerdjikov %A P. P. Kulish %T Expansion in ``square'' eigenfunctions of matrix linear system %J Zapiski Nauchnykh Seminarov POMI %D 1981 %P 46-63 %V 101 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1981_101_a4/ %G ru %F ZNSL_1981_101_a4