Intermediate resolution H
spectroscopy and photometric monitoring of 3C 390.3 - I. Further evidence of a nuclear accretion disk
A. I. Shapovalova, A. N. Burenkov, L. Carrasco, V. H. Chavushyan, V. T. Doroshenko, A. M. Dumont, V. M. Lyuty, J. R. Valdés, V. V. Vlasuyk, N. G. Bochkarev, S. Collin, F. Legrand, V. P. Mikhailov, O. I. Spiridonova, O. Kurtanidze and M. G. Nikolashvili
A&A, 376 3 (2001) 775-792
DOI: https://doi.org/10.1051/0004-6361:20011011
