@article{INTD_1978_11_a0,
     author = {Yu. I. Manin},
     title = {Algebraic aspects of nonlinear differential equations},
     journal = {Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Noveishie Dostizheniya},
     pages = {5--152},
     year = {1978},
     volume = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTD_1978_11_a0/}
}