@article{ND_2018_14_1_a4,
     author = {N. N. Fimin and V. M. Chechetkin},
     title = {Application of the hydrodynamic substitution for systems of equations with the same principal part},
     journal = {Russian journal of nonlinear dynamics},
     pages = {53--61},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2018_14_1_a4/}
}