TY  - JOUR
AU  - A. N. Dranishnikov
TI  - Covariant functors and extensors in dimension~$n$
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1985
SP  - 119
EP  - 120
VL  - 40
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1985_40_6_a6/
LA  - en
ID  - RM_1985_40_6_a6
ER  -