Shum Aleksandr Anatol'evich

Publications in Math-Net.Ru

1. Relative varieties of algebraic systems and propositional calculi
   
   Dokl. Akad. Nauk SSSR, 282:3 (1985),  538–541
2. Varieties of algebraic systems and propositional calculi
   
   Algebra Logika, 23:3 (1984),  341–359