Voir la notice de l'article provenant de la source Ars Mathematica Contemporanea website
@article{AMC_2011__4_2_a0, author = {Roman Nedela and Martin \v{S}koviera}, title = {GEMS 2009}, journal = {Ars Mathematica Contemporanea}, publisher = {mathdoc}, volume = {4}, number = {2}, year = {2011}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AMC_2011__4_2_a0/} }
Roman Nedela; Martin Škoviera. GEMS 2009. Ars Mathematica Contemporanea, Tome 4 (2011) no. 2. http://geodesic.mathdoc.fr/item/AMC_2011__4_2_a0/