TY  - JOUR
AU  - K. B. Mansimov
TI  - Optimality of quasisingular controls in Goursat--Darboux systems
JO  - Differencialʹnye uravneniâ
PY  - 1986
SP  - 1952
EP  - 1960
VL  - 22
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1986_22_11_a12/
LA  - ru
ID  - DE_1986_22_11_a12
ER  -