%0 Journal Article %A A. M. Vinogradov %T Geometry of differential equations, secondary differential calculus and quantum field theory %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1986 %P 13-21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1986_1_a1/ %G ru %F IVM_1986_1_a1