@article{IVM_1970_7_a7,
     author = {A. D. Lyashko and M. M. Karchevskii},
     title = {An investigation of a~certain class of nonlinear difference schemes},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {63--71},
     publisher = {mathdoc},
     number = {7},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1970_7_a7/}
}