%0 Journal Article %A Valery Driuma %T On geometrical properties of the spaces defined by the Pfaff equations %J Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica %D 2005 %P 69-84 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/BASM_2005_1_a5/ %G en %F BASM_2005_1_a5