@article{ZVMMF_2015_55_9_a13,
     author = {Yu. G. Rykov and O. B. Feodoritova},
     title = {Systems of quasilinear conservation laws and algorithmization of variational principles},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1586--1598},
     publisher = {mathdoc},
     volume = {55},
     number = {9},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2015_55_9_a13/}
}