@article{AM2_1982__24_136924, author = {K.S. Vijayan}, title = {A characterization of the simplex.}, journal = {Aequationes mathematicae}, pages = {33--38}, publisher = {mathdoc}, volume = {24}, year = {1982}, zbl = {0507.05018}, url = {http://geodesic.mathdoc.fr/item/AM2_1982__24_136924/} }