TY  - JOUR
AU  - A. N. Pechen
AU  - N. B. Il'in
TI  - On critical points of the objective functional for maximization of qubit observables
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 2015
SP  - 782
EP  - 784
VL  - 70
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_2015_70_4_a6/
LA  - en
ID  - RM_2015_70_4_a6
ER  -