@article{RM_1964_19_6_a32,
     author = {M. I. Vishik and S. P. Novikov and M. M. Postnikov},
     title = {The {Gor'kii} {Mathematical} {Seminar} on {Homotopic} {Topology}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1964},
     volume = {19},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1964_19_6_a32/}
}