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@article{MT_1987_9_a4, author = {V. V. Vershinin and V. G. Gorbunov}, title = {On a quadrangle of spectral sequences}, journal = {Matemati\v{c}eskie trudy}, pages = {41--59}, publisher = {mathdoc}, volume = {9}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MT_1987_9_a4/} }
V. V. Vershinin; V. G. Gorbunov. On a quadrangle of spectral sequences. Matematičeskie trudy, Tome 9 (1987), pp. 41-59. http://geodesic.mathdoc.fr/item/MT_1987_9_a4/