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@article{DE_1993_29_3_a2, author = {I. A. Kuzin}, title = {On equations with noncompact indefinite operators}, journal = {Differencialʹnye uravneni\^a}, pages = {392--401}, publisher = {mathdoc}, volume = {29}, number = {3}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1993_29_3_a2/} }
I. A. Kuzin. On equations with noncompact indefinite operators. Differencialʹnye uravneniâ, Tome 29 (1993) no. 3, pp. 392-401. http://geodesic.mathdoc.fr/item/DE_1993_29_3_a2/