Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1972__22_4_a6, author = {Dra\v{s}kovi\v{c}ov\'a, Hilda}, title = {On a {Generalization} of {Permutable} {Equivalence} {Relations}}, journal = {Mathematica slovaca}, pages = {297--309}, publisher = {mathdoc}, volume = {22}, number = {4}, year = {1972}, mrnumber = {0308006}, zbl = {0252.08001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1972__22_4_a6/} }
Draškovičová, Hilda. On a Generalization of Permutable Equivalence Relations. Mathematica slovaca, Tome 22 (1972) no. 4, pp. 297-309. http://geodesic.mathdoc.fr/item/MASLO_1972__22_4_a6/