TY  - JOUR
AU  - M. Rochowski
TI  - On the total curvature of a closed curve
JO  - Annales Polonici Mathematici
PY  - 1968
SP  - 239
EP  - 244
VL  - 21
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-21-2-239-244/
DO  - 10.4064/ap-21-2-239-244
LA  - en
ID  - 10_4064_ap_21_2_239_244
ER  -