@article{RM_1982_37_3_a19,
     author = {O. V. Zaitseva and V. Ya. Ivrii},
     title = {On the well-posedness of the {Cauchy} problem for certain hyperbolic operators with characteristics of high variable multiplicity},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {225--226},
     publisher = {mathdoc},
     volume = {37},
     number = {3},
     year = {1982},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1982_37_3_a19/}
}