TY  - JOUR
AU  - A. Szybiak
TI  - On the behaviour of the curvature lines in the neighbourhood of an isolated ombilic point
JO  - Annales Polonici Mathematici
PY  - 1964
SP  - 43
EP  - 55
VL  - 15
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-15-1-43-55/
DO  - 10.4064/ap-15-1-43-55
LA  - en
ID  - 10_4064_ap_15_1_43_55
ER  -