Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1967__21_166020, author = {M.A. Perles and G.C. Shepard}, title = {Angle {Sums} of {Convex} {Polytopes.}}, journal = {Mathematica Scandinavica}, pages = {199--218}, publisher = {mathdoc}, volume = {21}, year = {1967}, zbl = {0172.23703}, url = {http://geodesic.mathdoc.fr/item/MS2_1967__21_166020/} }
M.A. Perles; G.C. Shepard. Angle Sums of Convex Polytopes.. Mathematica Scandinavica, Tome 21 (1967), pp. 199-218. http://geodesic.mathdoc.fr/item/MS2_1967__21_166020/