@article{INTA_1974_11_a3,
     author = {A. P. Shirokov},
     title = {Structures on differentiable manifolds},
     journal = {Itogi Nauki i Tekhniki. Seriya Algebra. Geometriya. Topologiya},
     pages = {153--207},
     year = {1974},
     volume = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTA_1974_11_a3/}
}