%0 Journal Article %A William Y. C. Chen %A Kathy Q. Ji %A Herbert S. Wilf %T BG-ranks and 2-cores %J The electronic journal of combinatorics %D 2006 %V 13 %U http://geodesic.mathdoc.fr/articles/10.37236/1156/ %R 10.37236/1156 %F 10_37236_1156