@article{RM_1966_21_2_a20,
     author = {A. A. Kirillov and S. P. Novikov and D. B. Fuchs and I. R. Shafarevich},
     title = {Second {Summer} {Topological} {School}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1966_21_2_a20/}
}