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@article{DE_1988_24_2_a1, author = {A. I. Vahabov}, title = {Nonregular pencils of differential operators in a space of vector functions}, journal = {Differencialʹnye uravneni\^a}, pages = {199--207}, publisher = {mathdoc}, volume = {24}, number = {2}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1988_24_2_a1/} }
A. I. Vahabov. Nonregular pencils of differential operators in a space of vector functions. Differencialʹnye uravneniâ, Tome 24 (1988) no. 2, pp. 199-207. http://geodesic.mathdoc.fr/item/DE_1988_24_2_a1/