TY  - JOUR
AU  - Yu. V. Egorov
AU  - A. A. Milyutin
TI  - Sufficient conditions for a strong extremal in the class of curves with bounded derivative
JO  - Doklady Akademii Nauk
PY  - 1964
SP  - 971
EP  - 974
VL  - 159
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1964_159_5_a6/
LA  - ru
ID  - DAN_1964_159_5_a6
ER  -