%0 Journal Article %A V. V. Vershinin %A V. G. Gorbunov %T On a quadrangle of spectral sequences %J Matematičeskie trudy %D 1987 %P 41-59 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_1987_9_a4/ %G ru %F MT_1987_9_a4