TY  - JOUR
AU  - W. Janowski
TI  - Extremal problems for a family of functions with positive real part and for some related families
JO  - Annales Polonici Mathematici
PY  - 1970
SP  - 159
EP  - 177
VL  - 23
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-23-2-159-177/
DO  - 10.4064/ap-23-2-159-177
LA  - en
ID  - 10_4064_ap_23_2_159_177
ER  -