ULTI-WAVELENGTH MONITORING OF THE CHANGING-LOOK AGN NGC 2617 DURING STATE CHANGES Journal title: Odessa Astronomical Publications Authors: V. L. Oknyansky, C. M. Gaskell, N. A. Huseynov, Kh. M. Mikailov, V. M. Lipunov, N. I. Shatsky, S. S.... Subject(s):