@article{MZM_2002_72_5_a11,
     author = {A. D. Myshkis},
     title = {On {Quasilinear} {Generalized} {Canonical} {Hyperbolic} {Systems} of {First-Order} {Partial} {Differential} {Equations}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {729--738},
     publisher = {mathdoc},
     volume = {72},
     number = {5},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2002_72_5_a11/}
}