Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{DCG_1986__1_130986, author = {G. Ewald}, title = {Spherical {Complexes} and {Nonprojective} {Tone} {Varieties.}}, journal = {Discrete & computational geometry}, pages = {115--122}, publisher = {mathdoc}, volume = {1}, year = {1986}, zbl = {0597.52009}, url = {http://geodesic.mathdoc.fr/item/DCG_1986__1_130986/} }
G. Ewald. Spherical Complexes and Nonprojective Tone Varieties.. Discrete & computational geometry, Tome 1 (1986), pp. 115-122. http://geodesic.mathdoc.fr/item/DCG_1986__1_130986/