@article{RM_1991_46_6_a5,
     author = {G. A. Gal'perin},
     title = {The {Lyusternik--Shnirel'man} theorem for polyhedra},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {219--220},
     publisher = {mathdoc},
     volume = {46},
     number = {6},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1991_46_6_a5/}
}