@article{ZVMMF_1991_31_12_a13,
     author = {S. I. Lyashko},
     title = {The approximate solution of a pseudoparabolic equation},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1906--1911},
     publisher = {mathdoc},
     volume = {31},
     number = {12},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1991_31_12_a13/}
}