TY  - JOUR
AU  - James Foran
TI  - Changes of variable which preserve almost everywhere approximate differentiability
JO  - Colloquium Mathematicum
PY  - 1981
SP  - 321
EP  - 325
VL  - 45
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-45-2-321-325/
DO  - 10.4064/cm-45-2-321-325
LA  - en
ID  - 10_4064_cm_45_2_321_325
ER  -