TY  - JOUR
AU  - S. M. Aseev
TI  - A~method of smooth approximation in the theory of necessary optimality conditions for differential inclusions
JO  - Izvestiya. Mathematics 
PY  - 1997
SP  - 235
EP  - 258
VL  - 61
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1997_61_2_a0/
LA  - en
ID  - IM2_1997_61_2_a0
ER  -