@article{RM_1973_28_6_a9,
     author = {\'E. G. Belaga},
     title = {On coloring the graph of a triangulation of the $n$-sphere},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {28},
     number = {6},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1973_28_6_a9/}
}