%0 Journal Article %A T. Ya. Azizov %T Dissipative operators in a~Hilbert space with an indefinite metric %J Izvestiya. Mathematics %D 1973 %P 639-660 %V 7 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1973_7_3_a9/ %G en %F IM2_1973_7_3_a9