TY  - JOUR
AU  - A. I. Tret'yak
TI  - On necessary conditions for odd optimability of high speed prbblem for the linear on control systems
JO  - Sbornik. Mathematics
PY  - 1991
SP  - 47
EP  - 63
VL  - 70
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1991_70_1_a3/
LA  - en
ID  - SM_1991_70_1_a3
ER  -