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@article{IVM_1958_2_a17, author = {Z. M. Lushnikova}, title = {The monotonicity of the solution of some system of differential equations}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {210--218}, publisher = {mathdoc}, number = {2}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1958_2_a17/} }
Z. M. Lushnikova. The monotonicity of the solution of some system of differential equations. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1958), pp. 210-218. http://geodesic.mathdoc.fr/item/IVM_1958_2_a17/