Mrk334: is a connection between nucleus activity and merging of a companion? Smirnova A.A., Moiseev A.V., Afanasiev V.L. Special Astrophysical Observatory.
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V.G. Kurt 1, V.V. Sokolov 2, V.N. Komarova 2, Yu. A. Shibanov 3 “Optical observations radio pulsars and isolated neutron stars with 6 meters telescope.