Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1985__40_141359, author = {R. Fritsch}, title = {Zur {Kantenwinkelsumme} der regul\"aren {Pyramiden.}}, journal = {Elemente der Mathematik}, pages = {68--75}, publisher = {mathdoc}, volume = {40}, year = {1985}, zbl = {0569.52007}, url = {http://geodesic.mathdoc.fr/item/ELMA_1985__40_141359/} }
R. Fritsch. Zur Kantenwinkelsumme der regulären Pyramiden.. Elemente der Mathematik, Tome 40 (1985), pp. 68-75. http://geodesic.mathdoc.fr/item/ELMA_1985__40_141359/