@article{INTG_1966_1_a5,
     author = {G. F. Laptev},
     title = {Fundamental infinitesimal structures of higher orders on a~smooth manifold},
     journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara},
     pages = {139--189},
     publisher = {mathdoc},
     volume = {1},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTG_1966_1_a5/}
}