@article{IVM_2006_1_a4,
     author = {L. B. Mironova},
     title = {On the {Riemann} method in $\mathbb{R}^n$ for a system with multiple characteristics},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {34--39},
     publisher = {mathdoc},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2006_1_a4/}
}