TY  - JOUR
AU  - S. I. Dudov
TI  - Subdifferentiability and superdifferentiability of distance functions
JO  - Matematičeskie zametki
PY  - 1997
SP  - 530
EP  - 542
VL  - 61
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1997_61_4_a4/
LA  - ru
ID  - MZM_1997_61_4_a4
ER  -