TY  - JOUR
AU  - Kurt Strebel
TI  - On quadratic differentials with closed trajectories on open Riemann surfaces
JO  - Annales Fennici Mathematici
PY  - 1976
SP  - 533
EP  - 551
VL  - 2
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1976.0233/
DO  - 10.5186/aasfm.1976.0233
LA  - en
ID  - AFM_1976_2_1_a44
ER  -