TY  - JOUR
AU  - A. V. Brukhtii
TI  - An optimality condition of Goh type for extremals that degenerate at a point
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1987
SP  - 46
EP  - 50
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1987_3_a12/
LA  - ru
ID  - VMUMM_1987_3_a12
ER  -