TY  - JOUR
AU  - K. S. Musabekov
TI  - A necessary condition for optimality in a problem with a phase constraint
JO  - Diskretnyj analiz i issledovanie operacij
PY  - 1990
SP  - 46
EP  - 56
IS  - 30
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DA_1990_30_a5/
LA  - ru
ID  - DA_1990_30_a5
ER  -