@article{IVM_1974_7_a10,
     author = {V. A. Sochneva and V. R. Fridlender},
     title = {Uniqueness spaces of {Cauchy} and {Goursat} problems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {83--90},
     publisher = {mathdoc},
     number = {7},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1974_7_a10/}
}