TY  - JOUR
AU  - Ronald A. Knight
TI  - Certain closed flows on a 2-manifold
JO  - Annales Polonici Mathematici
PY  - 1981
SP  - 95
EP  - 104
VL  - 40
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-40-1-95-104/
DO  - 10.4064/ap-40-1-95-104
LA  - en
ID  - 10_4064_ap_40_1_95_104
ER  -