TY  - JOUR
AU  - Piotr Hajlasz
TI  - On approximate differentiability of functions with bounded deformation.
JO  - Manuscripta mathematica
PY  - 1996
SP  - 61
EP  - 72
VL  - 91
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1996__91_3_156214/
ID  - MM2_1996__91_3_156214
ER  -