@article{INTA_1972_10_a3,
     author = {V. D. Belousov and V. V. Ryzhkov},
     title = {The geometry of webs},
     journal = {Itogi Nauki i Tekhniki. Seriya Algebra. Geometriya. Topologiya},
     pages = {159--188},
     year = {1972},
     volume = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTA_1972_10_a3/}
}