TY  - JOUR
AU  - Crowley, Diarmuid
AU  - Schick, Thomas
AU  - Steimle, Wolfgang
TI  - The derivative map for diffeomorphism of disks: an example
JO  - Geometry & topology
PY  - 2023
SP  - 3699
EP  - 3713
VL  - 27
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.2140/gt.2023.27.3699/
DO  - 10.2140/gt.2023.27.3699
ID  - GT_2023_27_9_a4
ER  -