@article{IVM_1958_3_a32,
     author = {N. V. Sharkova},
     title = {An application of the method of oscillating functions to an approximate solution of initial and boundary-value problems for non-linear, second-order differential equations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {251--255},
     publisher = {mathdoc},
     number = {3},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1958_3_a32/}
}