@article{IVM_1975_9_a15,
     author = {M. N. Krivtsova},
     title = {Approximate solution of a~certain class of systems of nonlinear differential equations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {95--98},
     publisher = {mathdoc},
     number = {9},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1975_9_a15/}
}