@article{IM2_1980_15_1_a6, author = {O. A. Sarkisyan}, title = {Some relations between the word and divisibility problems in groups and semigroups}, journal = {Izvestiya. Mathematics }, pages = {161--171}, publisher = {mathdoc}, volume = {15}, number = {1}, year = {1980}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1980_15_1_a6/} }