TY  - JOUR
AU  - K. Chaudhury
TI  - A note on orthogonality preserving operators
JO  - Matematički vesnik
PY  - 1973
SP  - 309 
VL  - 25
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MV_1973_25_1_a38/
ID  - MV_1973_25_1_a38
ER  -