TY  - JOUR
AU  - S. N. Mukhopadhyay
TI  - On Dini derivatives and on certain classes of Zahorski
JO  - Colloquium Mathematicum
PY  - 1972
SP  - 105
EP  - 111
VL  - 25
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-25-1-105-111/
DO  - 10.4064/cm-25-1-105-111
LA  - en
ID  - 10_4064_cm_25_1_105_111
ER  -