@article{DAN_1978_238_5_a3,
     author = {A. M. Vinogradov},
     title = {A spectral sequence associated with a nonlinear differential equation, and algebro-geometric foundations of {Lagrangian} field theory with constraints},
     journal = {Doklady Akademii Nauk},
     pages = {1028--1031},
     publisher = {mathdoc},
     volume = {238},
     number = {5},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_238_5_a3/}
}