@article{IVM_2002_1_a9, author = {V. N. Salii}, title = {Idempotent semigroups with the transitive commutativity relation}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {64--70}, publisher = {mathdoc}, number = {1}, year = {2002}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2002_1_a9/} }