Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1968__12_131857, author = {C. WITZGALL and R.J.B. WETS}, title = {Towards an {Algebraic} {Characterization} of {Convex} {Polyhedral} {Cones.}}, journal = {Numerische Mathematik}, pages = {134--138}, publisher = {mathdoc}, volume = {12}, year = {1968}, zbl = {0165.34702}, url = {http://geodesic.mathdoc.fr/item/NUMA_1968__12_131857/} }
C. WITZGALL; R.J.B. WETS. Towards an Algebraic Characterization of Convex Polyhedral Cones.. Numerische Mathematik, Tome 12 (1968), pp. 134-138. http://geodesic.mathdoc.fr/item/NUMA_1968__12_131857/