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@article{IVM_1961_6_a7, author = {Yu. M. Krikunov}, title = {Some problems for an equation of {M.\,A.~Lavrent'ev}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {60--69}, publisher = {mathdoc}, number = {6}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1961_6_a7/} }
Yu. M. Krikunov. Some problems for an equation of M.\,A.~Lavrent'ev. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1961), pp. 60-69. http://geodesic.mathdoc.fr/item/IVM_1961_6_a7/