TY  - JOUR
AU  - M. M. Khapaev
TI  - Differential equations that contain singular manifolds in control and minimization problems
JO  - Differencialʹnye uravneniâ
PY  - 1995
SP  - 1886
EP  - 1892
VL  - 31
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1995_31_11_a13/
LA  - ru
ID  - DE_1995_31_11_a13
ER  -