%0 Journal Article %A O. M. Kiselev %T Basic Functions Associated with a Two-Dimensional Dirac System %J Funkcionalʹnyj analiz i ego priloženiâ %D 1998 %P 72-76 %V 32 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1998_32_1_a9/ %G ru %F FAA_1998_32_1_a9