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@article{IVM_1983_2_a4, author = {N. A. Davydov}, title = {The kernel in {Knopp's} sense of a~regular positive transformation}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {30--40}, publisher = {mathdoc}, number = {2}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1983_2_a4/} }
N. A. Davydov. The kernel in Knopp's sense of a~regular positive transformation. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1983), pp. 30-40. http://geodesic.mathdoc.fr/item/IVM_1983_2_a4/