TY  - JOUR
AU  - A. A. Agrachev
AU  - R. V. Gamkrelidze
TI  - The Pontryagin Maximum Principle 50~years later
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2006
SP  - 6
EP  - 14
VL  - 12
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TIMM_2006_12_1_a1/
LA  - ru
ID  - TIMM_2006_12_1_a1
ER  -