@article{MZM_2010_87_1_a12,
     author = {Yu. A. Chirkunov},
     title = {On the {Symmetry} {Classification} and {Conservation} {Laws} for {Quasilinear} {Differential} {Equations} of {Second} {Order}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {122--129},
     publisher = {mathdoc},
     volume = {87},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2010_87_1_a12/}
}