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@article{IVM_1967_6_a4, author = {I. N. Dombrovskaya}, title = {Equations of the first kind with a~closed operator}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {39--42}, publisher = {mathdoc}, number = {6}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1967_6_a4/} }
I. N. Dombrovskaya. Equations of the first kind with a~closed operator. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1967), pp. 39-42. http://geodesic.mathdoc.fr/item/IVM_1967_6_a4/