Unosi

• Long-term variability of the optical spectra of NGC 4151. I. Light curves and flux correlations (2008-07)

  A. Shapovalova, L. Popović, S. Collin, A. Burenkov, V. Chavushyan, N. Bochkarev, E. Benitez, D. Dultzin, A. Kovačević, N. Borisov, L. Carrasco, J. Leon-Tavares, A. Mercado, J. Valdes, V. Vlasuyk, V. Zhdanova, Long-term variability of the optical spectra of NGC 4151. I. Light curves and flux correlations, ASTRONOMY AND ASTROPHYSICS, Vol. 486, No. 1, pp. 99 - 111, Jul, 2008

• Variability in spectropolarimetric properties of Sy 1.5 galaxy Mrk 6 (2014-05)

  V. Afanasiev, L. Popović, A. Shapovalova, N. Borisov, D. Ilić, Variability in spectropolarimetric properties of Sy 1.5 galaxy Mrk 6, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Vol. 440, No. 1, pp. 519 - 529, May, 2014

• Spectropolarimetric monitoring of active galaxy 3C 390.3 with 6-m telescope SAO RAS in the period 2009–2014 (2015-04)

  V. Afanasiev, A. Shapovalova, L. Popović, N. Borisov, Spectropolarimetric monitoring of active galaxy 3C 390.3 with 6-m telescope SAO RAS in the period 2009–2014, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Vol. 448, No. 3, pp. 2879 - 2889, Apr, 2015