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@article{IVM_1987_4_a12, author = {A. G. Terent'ev}, title = {A remark on the closedness of linear functional-differential operators}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {68--71}, publisher = {mathdoc}, number = {4}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1987_4_a12/} }
A. G. Terent'ev. A remark on the closedness of linear functional-differential operators. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1987), pp. 68-71. http://geodesic.mathdoc.fr/item/IVM_1987_4_a12/