TY - JOUR AU - C.-S. Lin TI - On $(a,b,c,d)$-orthogonality in normed linear spaces JO - Colloquium Mathematicum PY - 2005 SP - 1 EP - 10 VL - 103 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm103-1-1/ DO - 10.4064/cm103-1-1 LA - en ID - 10_4064_cm103_1_1 ER -