TY  - JOUR
AU  - Pawel Traczyk
TI  - Non-Trivial negative links have positive signature.
JO  - Manuscripta mathematica
PY  - 1988
SP  - 279
EP  - 284
VL  - 61
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1988__61_4_155315/
ID  - MM2_1988__61_4_155315
ER  -