%0 Journal Article %A M. V. Milovanov %T Complete involutive sets of %J Sbornik. Mathematics %D 2007 %P 711-731 %V 198 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2007_198_5_a5/ %G en %F SM_2007_198_5_a5