@article{DE_1980_16_7_a17,
     author = {I. V. Fryazinov},
     title = {The balance method and variational-difference schemes},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1332--1343},
     publisher = {mathdoc},
     volume = {16},
     number = {7},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1980_16_7_a17/}
}