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@article{DMGAA_2007_27_1_a2, author = {Chajda, Ivan}, title = {Commutative directoids with sectional involutions}, journal = {Discussiones Mathematicae. General Algebra and Applications}, pages = {49--58}, publisher = {mathdoc}, volume = {27}, number = {1}, year = {2007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DMGAA_2007_27_1_a2/} }
Chajda, Ivan. Commutative directoids with sectional involutions. Discussiones Mathematicae. General Algebra and Applications, Tome 27 (2007) no. 1, pp. 49-58. http://geodesic.mathdoc.fr/item/DMGAA_2007_27_1_a2/