%0 Journal Article %A Hélène Barcelo %A Robert Maule %A Sheila Sundaram %T On counting permutations by pairs of congruence classes of major index %J The electronic journal of combinatorics %D 2002 %V 9 %U http://geodesic.mathdoc.fr/articles/10.37236/1638/ %R 10.37236/1638 %F 10_37236_1638