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Additional information
Omsk. Translated fromSibirskiî Matematicheskiî Zhurnal, Vol. 39, No. 5, pp. 1127–1130, September–October, 1998
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Romanovskiî, R.K., Sadovnichuk, S.G. A special addition theorem for theta-functions and nonlinear equations. Sib Math J 39, 973–976 (1998). https://doi.org/10.1007/BF02672919
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DOI: https://doi.org/10.1007/BF02672919