@article{IVM_1977_1_a14,
     author = {S. V. Shil'man},
     title = {An application of the method of generating functions to the determination of the periodic motions of discontinuous nonlinear systems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {118--127},
     publisher = {mathdoc},
     number = {1},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_1_a14/}
}