@article{IVM_1987_12_a6,
     author = {O. V. Zaǐtseva},
     title = {Conditions for the well-posedness of the {Cauchy} problem for a~model nonstrictly hyperbolic equation},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {43--45},
     publisher = {mathdoc},
     number = {12},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1987_12_a6/}
}