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@article{IVM_1958_5_a11, author = {A. D. Aleksandrov}, title = {Investigations on the maximum {principle.~I}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {126--157}, publisher = {mathdoc}, number = {5}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1958_5_a11/} }
A. D. Aleksandrov. Investigations on the maximum principle.~I. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 5 (1958), pp. 126-157. http://geodesic.mathdoc.fr/item/IVM_1958_5_a11/