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@article{IVM_1972_3_a2, author = {V. V. Kalinin}, title = {The {Laplace} and {Poisson} equations in functional derivatives in {Hilbert} space}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {20--22}, publisher = {mathdoc}, number = {3}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1972_3_a2/} }
V. V. Kalinin. The Laplace and Poisson equations in functional derivatives in Hilbert space. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1972), pp. 20-22. http://geodesic.mathdoc.fr/item/IVM_1972_3_a2/