Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1989__30_1_a8, author = {Kombarov, Anatoli P.}, title = {On rectangular covers of $X^2\setminus \Delta$}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {81--83}, publisher = {mathdoc}, volume = {30}, number = {1}, year = {1989}, mrnumber = {995704}, zbl = {0667.54014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1989__30_1_a8/} }
Kombarov, Anatoli P. On rectangular covers of $X^2\setminus \Delta$. Commentationes Mathematicae Universitatis Carolinae, Tome 30 (1989) no. 1, pp. 81-83. http://geodesic.mathdoc.fr/item/CMUC_1989__30_1_a8/