TY  - JOUR
AU  - A. V. Arutyunov
AU  - N. T. Tynyanskii
TI  - On second-order conditions in a time-optimal problem
JO  - Doklady Akademii Nauk
PY  - 1981
SP  - 523
EP  - 526
VL  - 261
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1981_261_3_a1/
LA  - ru
ID  - DAN_1981_261_3_a1
ER  -