Literature Cited
I. N. Vekua, Generalized Analytic Functions [in Russian], Fizmatgiz, Moscow (1959).
A. V. Pogorelov, Geometric Problems for Riemann Space [in Russian], Izd. Khar'k. un-ta, Khar'kov (1957).
F. D. Gakhov, Boundary-Value Problems [in Russian], Fizmatgiz, Moscow (1963).
Additional information
Translated from Sibirskii Matematicheskii Zhurnal, Vol. 7, No. 4, pp. 960–962, July–August, 1966.
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Fomenko, V.T. Rigidity of surfaces of positive external curvature with boundaries in a Riemann space. Sib Math J 7, 768–770 (1966). https://doi.org/10.1007/BF00973271
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DOI: https://doi.org/10.1007/BF00973271