@article{INTG_1983_15_a5,
     author = {M. A. Akivis},
     title = {Differential geometry of webs},
     journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara},
     pages = {187--213},
     publisher = {mathdoc},
     volume = {15},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTG_1983_15_a5/}
}