@article{TRSPY_1973_122_a3,
     author = {Yu. I. Shokin},
     title = {The method of the first differential approximation in the theory of difference schemes for hyperbolic systems of equations},
     journal = {Informatics and Automation},
     pages = {66--84},
     publisher = {mathdoc},
     volume = {122},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1973_122_a3/}
}