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@article{IVM_1962_6_a17, author = {G. S. Shpak}, title = {Some estimates for the modulus and real part of pseudo-positive functions}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {148--154}, publisher = {mathdoc}, number = {6}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1962_6_a17/} }
G. S. Shpak. Some estimates for the modulus and real part of pseudo-positive functions. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1962), pp. 148-154. http://geodesic.mathdoc.fr/item/IVM_1962_6_a17/