TY  - JOUR
AU  - J.P.E. HODGSON
TI  - Obstructions to Concordance for Thickenings.
JO  - Inventiones mathematicae
PY  - 1968
SP  - 292
EP  - 316
VL  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1968__5_141923/
ID  - IM_1968__5_141923
ER  -