TY  - JOUR
AU  - G. U. Oganesyan
TI  - On the problems of equality and divisibility of words in a~semigroup with a~defining relation of the from
JO  - Izvestiya. Mathematics 
PY  - 1978
SP  - 557
EP  - 566
VL  - 12
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1978_12_3_a7/
LA  - en
ID  - IM2_1978_12_3_a7
ER  -