Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMJ_2008__58_1_a12, author = {Jakub{\'\i}k, J\'an}, title = {Direct summands and retract mappings of generalized $MV$-algebras}, journal = {Czechoslovak Mathematical Journal}, pages = {183--202}, publisher = {mathdoc}, volume = {58}, number = {1}, year = {2008}, mrnumber = {2402534}, zbl = {1174.06319}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMJ_2008__58_1_a12/} }
Jakubík, Ján. Direct summands and retract mappings of generalized $MV$-algebras. Czechoslovak Mathematical Journal, Tome 58 (2008) no. 1, pp. 183-202. http://geodesic.mathdoc.fr/item/CMJ_2008__58_1_a12/