[unknown]
Commentarii mathematici Helvetici, Tome 47 (1972), pp. 270-272
Cet article a éte moissonné depuis la source European Digital Mathematics Library
@misc{CMH_1972__47_186142,
title = {[unknown]},
journal = {Commentarii mathematici Helvetici},
pages = {270--272},
year = {1972},
volume = {47},
url = {http://geodesic.mathdoc.fr/item/CMH_1972__47_186142/}
}
[unknown]. Commentarii mathematici Helvetici, Tome 47 (1972), pp. 270-272. http://geodesic.mathdoc.fr/item/CMH_1972__47_186142/