TY  - JOUR
AU  - Tikhomirov, Vladimir
TI  - Lagrange principle and necessary conditions
JO  - Control and Cybernetics
PY  - 2009
SP  - 1589
EP  - 1605
VL  - 38
IS  - 4B
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CC_2009_38_4B_a16/
LA  - en
ID  - CC_2009_38_4B_a16
ER  -