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@article{DAN_1972_204_3_a7, author = {V. \`E. Lyantse}, title = {On certain relations between closed operators}, journal = {Doklady Akademii Nauk}, pages = {542--545}, publisher = {mathdoc}, volume = {204}, number = {3}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1972_204_3_a7/} }
V. È. Lyantse. On certain relations between closed operators. Doklady Akademii Nauk, Tome 204 (1972) no. 3, pp. 542-545. http://geodesic.mathdoc.fr/item/DAN_1972_204_3_a7/