@article{ZVMMF_1970_10_3_a0,
     author = {N. S. Bakhvalov},
     title = {The properties of optimal methods of solving problems in mathematical physics},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {555--568},
     publisher = {mathdoc},
     volume = {10},
     number = {3},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1970_10_3_a0/}
}