@article{DE_1965_1_12_a12,
     author = {A. K. Boyarchuk},
     title = {``Co-stability'' of conservative difference schemes for a differential equation and a system of differential equations of the fourth order with discontinuous coefficients},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1652--1661},
     publisher = {mathdoc},
     volume = {1},
     number = {12},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1965_1_12_a12/}
}