TY  - JOUR
AU  - Tuan, P. D.
AU  - Anh, V. V.
TI  - Extremal problems for functions of positive real part with a fixed coefficient and applications
JO  - Czechoslovak Mathematical Journal
PY  - 1980
SP  - 302
EP  - 312
VL  - 30
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1980.101679/
DO  - 10.21136/CMJ.1980.101679
LA  - en
ID  - 10_21136_CMJ_1980_101679
ER  -