TY  - JOUR
AU  - Şerb, Ioan
TI  - Rectangular modulus, Birkhoff orthogonality and characterizations of inner product spaces
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1999
SP  - 107
EP  - 119
VL  - 40
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1999__40_1_a7/
LA  - en
ID  - CMUC_1999__40_1_a7
ER  -