TY  - JOUR
AU  - Ortel, Marvin
AU  - Schneider, Walter
TI  - Curvature of Level Curves of Harmonic Functions
JO  - Canadian mathematical bulletin
PY  - 1983
SP  - 399
EP  - 405
VL  - 26
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1983-066-4/
DO  - 10.4153/CMB-1983-066-4
ID  - 10_4153_CMB_1983_066_4
ER  -