TY  - JOUR
AU  - Ewa Tyszkowska
TI  - Theory of coverings in the study of
 Riemann surfaces
JO  - Colloquium Mathematicum
PY  - 2012
SP  - 173
EP  - 184
VL  - 127
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm127-2-3/
DO  - 10.4064/cm127-2-3
LA  - en
ID  - 10_4064_cm127_2_3
ER  -