@article{DAN_1978_242_2_a7,
     author = {Yu. I. Shokin and Z. I. Fedotova and An. G. Marchuk},
     title = {On the connection between the conservative property of difference schemes and properties of their first differential approximations},
     journal = {Doklady Akademii Nauk},
     pages = {290--293},
     publisher = {mathdoc},
     volume = {242},
     number = {2},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_242_2_a7/}
}