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@article{DAN_1987_292_3_a6, author = {N. I. Nagnibida}, title = {Integral perturbations of the operator of multiplication by an}, journal = {Doklady Akademii Nauk}, pages = {542--545}, publisher = {mathdoc}, volume = {292}, number = {3}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_292_3_a6/} }
N. I. Nagnibida. Integral perturbations of the operator of multiplication by an. Doklady Akademii Nauk, Tome 292 (1987) no. 3, pp. 542-545. http://geodesic.mathdoc.fr/item/DAN_1987_292_3_a6/