TY  - JOUR
AU  - S. A. Vakhrameev
TI  - An existence theorem for a nonlinear time-optimality problem
JO  - Differencialʹnye uravneniâ
PY  - 1999
SP  - 565
EP  - 567
VL  - 35
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1999_35_4_a15/
LA  - ru
ID  - DE_1999_35_4_a15
ER  -