TY  - JOUR
AU  - Marco Grandis
TI  - Collared cospans, cohomotopy and TQFT 
(cospans in algebraic topology, II)
JO  - Theory and applications of categories
PY  - 2007
SP  - 602
EP  - 630
VL  - 18
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TAC_2007_18_a18/
LA  - en
ID  - TAC_2007_18_a18
ER  -