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@article{IVM_2004_7_a4, author = {V. I. Zhegalov}, title = {On solvability cases for hyperbolic equations in quadratures}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {47--52}, publisher = {mathdoc}, number = {7}, year = {2004}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2004_7_a4/} }
V. I. Zhegalov. On solvability cases for hyperbolic equations in quadratures. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (2004), pp. 47-52. http://geodesic.mathdoc.fr/item/IVM_2004_7_a4/