TY  - JOUR
AU  - N. N. Nekhoroshev
TI  - Stable lower estimates for smooth mappings and for gradients of smooth function
JO  - Sbornik. Mathematics
PY  - 1973
SP  - 425
EP  - 467
VL  - 19
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1973_19_3_a4/
LA  - en
ID  - SM_1973_19_3_a4
ER  -