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Quasivarieties of algebraic systems

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Translated from Algebra i Logika, Vol. 14, No. 2, pp. 123–142, March–April, 1975.

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Budkin, A.I., Gorbunov, V.A. Quasivarieties of algebraic systems. Algebra and Logic 14, 73–84 (1975). https://doi.org/10.1007/BF01668420

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