@article{ZVMMF_1991_31_7_a5,
     author = {A. F. Filippov},
     title = {Using a computer to obtain strict bounds on solutions of differential equations},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {994--1005},
     publisher = {mathdoc},
     volume = {31},
     number = {7},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1991_31_7_a5/}
}