TY  - JOUR
AU  - Vitalii V. Arestov
TI  - A characterization of extremal elements in some linear problems
JO  - Ural mathematical journal
PY  - 2017
SP  - 22
EP  - 32
VL  - 3
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UMJ_2017_3_2_a3/
LA  - en
ID  - UMJ_2017_3_2_a3
ER  -