@article{MM_1991_3_2_a5,
     author = {E. V. Ferapontov and S. P. Tsarev},
     title = {Systems of hydrodynamic type, arising in gas chromatography. {Riemann} invariants and exact solutions},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {82--91},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1991_3_2_a5/}
}