TY  - JOUR
AU  - I. I. Valutsè
TI  - Left ideals of the semigroup of endomorphisms of a free universal algebra
JO  - Doklady Akademii Nauk
PY  - 1963
SP  - 235
EP  - 237
VL  - 150
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1963_150_2_a1/
LA  - ru
ID  - DAN_1963_150_2_a1
ER  -