Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{PMFA_2000__45_2_a3, author = {Trlifaj, Jan}, title = {Obaly a~pokryt{\'\i} v~teorii modul\r{u}}, journal = {Pokroky matematiky, fyziky a astronomie}, pages = {134--148}, publisher = {mathdoc}, volume = {45}, number = {2}, year = {2000}, zbl = {1051.16004}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/PMFA_2000__45_2_a3/} }
Trlifaj, Jan. Obaly a pokrytí v teorii modulů. Pokroky matematiky, fyziky a astronomie, Tome 45 (2000) no. 2, pp. 134-148. http://geodesic.mathdoc.fr/item/PMFA_2000__45_2_a3/