TY - JOUR AU - Alessandro Fonda TI - A generalization of the parallelogram law to higher dimensions JO - Ars Mathematica Contemporanea PY - 2019 SP - 411 EP - 417 VL - 16 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.1704.34c/ DO - 10.26493/1855-3974.1704.34c LA - en ID - 10_26493_1855_3974_1704_34c ER -