%0 Journal Article %A Dieulefait, Luis V. %T Computing the level of a modular rigid Calabi-Yau threefold. %J Experimental mathematics %D 2004 %P 165-169 %V 13 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/EXMA_2004__13_2_51229/ %G en %F EXMA_2004__13_2_51229