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Translated from Sibirskii Matematicheskii Zhurnal, Vol. 11, No. 6, pp. 1291–1311, November–December, 1970.
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Kovalenko, L.I. Uniqueness of a generalized solution of Tricomi's problem. Sib Math J 11, 951–966 (1970). https://doi.org/10.1007/BF00970291
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DOI: https://doi.org/10.1007/BF00970291