Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1973__14_2_a2, author = {Simon, Petr}, title = {A note on cardinal invariants of square}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {205--213}, publisher = {mathdoc}, volume = {14}, number = {2}, year = {1973}, mrnumber = {0339044}, zbl = {0258.54003}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1973__14_2_a2/} }
Simon, Petr. A note on cardinal invariants of square. Commentationes Mathematicae Universitatis Carolinae, Tome 14 (1973) no. 2, pp. 205-213. http://geodesic.mathdoc.fr/item/CMUC_1973__14_2_a2/