TY  - JOUR
AU  - K. B. Mansimov
TI  - On the optimality of controls singular in the classical sense in Goursat--Darboux systems
JO  - Doklady Akademii Nauk
PY  - 1986
SP  - 808
EP  - 812
VL  - 286
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1986_286_4_a7/
LA  - ru
ID  - DAN_1986_286_4_a7
ER  -