Denecke, K., and Koppitz, J.. "Hyperassociative varieties of semigroups.." Semigroup forum 49.1 (1994): 41-48. <http://eudml.org/doc/135332>.
@article{Denecke1994, author = {Denecke, K., Koppitz, J.}, journal = {Semigroup forum}, keywords = {variety of semigroups; operation symbols; alphabet; hypersubstitution; hyperidentity; hyperassociative variety; identities}, number = {1}, pages = {41-48}, title = {Hyperassociative varieties of semigroups.}, url = {http://eudml.org/doc/135332}, volume = {49}, year = {1994}, }
TY - JOUR AU - Denecke, K. AU - Koppitz, J. TI - Hyperassociative varieties of semigroups. JO - Semigroup forum PY - 1994 VL - 49 IS - 1 SP - 41 EP - 48 KW - variety of semigroups; operation symbols; alphabet; hypersubstitution; hyperidentity; hyperassociative variety; identities UR - http://eudml.org/doc/135332 ER -