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@article{DMGAA_2011_31_2_a6, author = {Dymek, Grzegorz}, title = {On two classes of {pseudo-BCI-algebras}}, journal = {Discussiones Mathematicae. General Algebra and Applications}, pages = {217--174}, publisher = {mathdoc}, volume = {31}, number = {2}, year = {2011}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DMGAA_2011_31_2_a6/} }
Dymek, Grzegorz. On two classes of pseudo-BCI-algebras. Discussiones Mathematicae. General Algebra and Applications, Tome 31 (2011) no. 2, pp. 217-174. http://geodesic.mathdoc.fr/item/DMGAA_2011_31_2_a6/