Koubek, V.. "Universal expansion of semigroup varieties by regular involution.." Semigroup forum 46.2 (1993): 152-159. <http://eudml.org/doc/135227>.
@article{Koubek1993, author = {Koubek, V.}, journal = {Semigroup forum}, keywords = {universal category; category of algebras; universal variety; semigroup varieties; expansion by regular involution; regular involution semigroup}, number = {2}, pages = {152-159}, title = {Universal expansion of semigroup varieties by regular involution.}, url = {http://eudml.org/doc/135227}, volume = {46}, year = {1993}, }
TY - JOUR AU - Koubek, V. TI - Universal expansion of semigroup varieties by regular involution. JO - Semigroup forum PY - 1993 VL - 46 IS - 2 SP - 152 EP - 159 KW - universal category; category of algebras; universal variety; semigroup varieties; expansion by regular involution; regular involution semigroup UR - http://eudml.org/doc/135227 ER -
