TY  - JOUR
AU  - Kolář, Ivan
TI  - Covariant approach to natural transformations of Weil functors
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1986
SP  - 723
EP  - 729
VL  - 27
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1986__27_4_a9/
LA  - en
ID  - CMUC_1986__27_4_a9
ER  -