@article{DAN_1988_300_2_a4,
     author = {I. V. Mel'nikova and A. I. Filinkov},
     title = {A connection between the well-posedness of the {Cauchy} problem for},
     journal = {Doklady Akademii Nauk},
     pages = {280--284},
     publisher = {mathdoc},
     volume = {300},
     number = {2},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_300_2_a4/}
}