Publications in Math-Net.Ru
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Congruences in closed classes in a $k$-valued logic, defined by predicates
Mat. Zametki, 38:5 (1985), 756–763
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A sufficient condition for closed classes of $k$-valued logic to have only trivial congruences
Mat. Sb. (N.S.), 110(152):4(12) (1979), 551–578
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On closed classes of $k$-valued logic, all superclasses of which have only trivial congruences
Dokl. Akad. Nauk SSSR, 234:2 (1977), 273–276
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Closed classes of $k$-valued logic, all of whose congruences are trivial
Mat. Zametki, 22:4 (1977), 499–509
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On congruences in closed post classes
Mat. Zametki, 13:5 (1973), 725–734
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