%0 Journal Article %A D. V. Tunitsky %T Monge–Ampére equations and characteristic connection functors %J Izvestiya. Mathematics %D 2001 %P 1243-1290 %V 65 %N 6 %U http://geodesic.mathdoc.fr/item/IM2_2001_65_6_a5/ %G en %F IM2_2001_65_6_a5