TY  - JOUR
AU  - Vo-Thanh Liem
TI  - Homotopy characterization of weakly flat knots
JO  - Fundamenta Mathematicae
PY  - 1979
SP  - 61
EP  - 72
VL  - 102
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-102-1-61-72/
DO  - 10.4064/fm-102-1-61-72
LA  - en
ID  - 10_4064_fm_102_1_61_72
ER  -