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@article{IVM_1969_12_a13, author = {T. V. \v{C}ekmarev}, title = {Cauchy, {Goursat,} and {Cauchy--Goursat} problems for degenerating systems of {equations.~I}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {99--111}, publisher = {mathdoc}, number = {12}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1969_12_a13/} }
TY - JOUR AU - T. V. Čekmarev TI - Cauchy, Goursat, and Cauchy--Goursat problems for degenerating systems of equations.~I JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1969 SP - 99 EP - 111 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1969_12_a13/ LA - ru ID - IVM_1969_12_a13 ER -
T. V. Čekmarev. Cauchy, Goursat, and Cauchy--Goursat problems for degenerating systems of equations.~I. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (1969), pp. 99-111. http://geodesic.mathdoc.fr/item/IVM_1969_12_a13/