Valutsè I I

Publications in Math-Net.Ru

1. Left ideals of the semigroup of endomorphisms of a free universal algebra
   
   Dokl. Akad. Nauk SSSR, 150:2 (1963),  235–237
2. Universal algebras with proper, but not permutable, congruences
   
   Uspekhi Mat. Nauk, 18:3(111) (1963),  145–148
3. Left ideals of the semigroup of endomorphisms of a free universal algebra
   
   Mat. Sb. (N.S.), 62(104):3 (1963),  371–384