@article{IM2_1992_38_3_a0,
     author = {O. I. Bogoyavlenskii},
     title = {Breaking solitons. {V.~Systems} of hydrodynamic type},
     journal = {Izvestiya. Mathematics },
     pages = {439--454},
     publisher = {mathdoc},
     volume = {38},
     number = {3},
     year = {1992},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1992_38_3_a0/}
}