@article{DAN_1966_167_2_a8,
     author = {S. N. Kruzhkov},
     title = {On solutions of first order nonlinear equations},
     journal = {Doklady Akademii Nauk},
     pages = {286--289},
     publisher = {mathdoc},
     volume = {167},
     number = {2},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_167_2_a8/}
}