%0 Journal Article %A A. A. Vladimirov %T Representation Theorems and Variational Principles for Self-Adjoint Operator Matrices %J Matematičeskie zametki %D 2017 %P 516-530 %V 101 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2017_101_4_a2/ %G ru %F MZM_2017_101_4_a2