%0 Journal Article %T On the boundedness of hamiltonian operators %A Gridneva, I.. %A Fedulova, L.. %K Krein space, dissipative, self-adjoint operator, Hamiltonian %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 2 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov