TY  - JOUR
AU  - Władysław Wilczyński
TI  - Zygmunt Zahorski's works on the first derivative
JO  - Antiquitates Mathematicae
PY  - 2013
SP  -  247
EP  - 252
VL  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/am.v7i0.583/
DO  - 10.14708/am.v7i0.583
LA  - pl
ID  - 10_14708_am_v7i0_583
ER  -