Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1990__31_3_a1, author = {Bartol, Wiktor}, title = {Weak subalgebra lattices of monounary partial algebras}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {411--414}, publisher = {mathdoc}, volume = {31}, number = {3}, year = {1990}, mrnumber = {1078474}, zbl = {0711.08007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1990__31_3_a1/} }
Bartol, Wiktor. Weak subalgebra lattices of monounary partial algebras. Commentationes Mathematicae Universitatis Carolinae, Tome 31 (1990) no. 3, pp. 411-414. http://geodesic.mathdoc.fr/item/CMUC_1990__31_3_a1/