Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1963__13_3_a2, author = {\v{S}ulka, Robert}, title = {Pozn\'amka o faktorov\'ych pologrup\'ach danej pologrupy}, journal = {Mathematica slovaca}, pages = {205--208}, publisher = {mathdoc}, volume = {13}, number = {3}, year = {1963}, zbl = {0134.25902}, language = {sl}, url = {http://geodesic.mathdoc.fr/item/MASLO_1963__13_3_a2/} }
Šulka, Robert. Poznámka o faktorových pologrupách danej pologrupy. Mathematica slovaca, Tome 13 (1963) no. 3, pp. 205-208. http://geodesic.mathdoc.fr/item/MASLO_1963__13_3_a2/