TY  - JOUR
AU  - J. Krzyż
TI  - On the derivative of close-to-convex functions
JO  - Colloquium Mathematicum
PY  - 1963
SP  - 143
EP  - 146
VL  - 10
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-10-1-143-146/
DO  - 10.4064/cm-10-1-143-146
LA  - en
ID  - 10_4064_cm_10_1_143_146
ER  -