%0 Journal Article %A Everaert, Tomas %A Gran, Marino %T Relative commutator associated with varieties of $n$-nilpotent and of $n$-solvable groups %J Archivum mathematicum %D 2006 %P 387-396 %V 42 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_2006__42_4_a3/ %G en %F ARM_2006__42_4_a3