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@article{IVM_1975_2_a12, author = {F. K. Zakirov}, title = {Solutions that are finally of constant sign for nonlinear differential equations with lag}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {108--111}, publisher = {mathdoc}, number = {2}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1975_2_a12/} }
TY - JOUR AU - F. K. Zakirov TI - Solutions that are finally of constant sign for nonlinear differential equations with lag JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1975 SP - 108 EP - 111 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1975_2_a12/ LA - ru ID - IVM_1975_2_a12 ER -
F. K. Zakirov. Solutions that are finally of constant sign for nonlinear differential equations with lag. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1975), pp. 108-111. http://geodesic.mathdoc.fr/item/IVM_1975_2_a12/