%0 Journal Article %A M. A. Malakhaltsev %T Differential complex associated to closed differential forms of nonconstant rank %J Lobachevskii journal of mathematics %D 2006 %P 183-192 %V 23 %I mathdoc %U http://geodesic.mathdoc.fr/item/LJM_2006_23_a6/ %G en %F LJM_2006_23_a6