Magnetic fields of AGNs and standard accretion disk model: testing by optical polarimetryN. A. Silant'ev, M. Yu. Piotrovich, Yu. N. Gnedin and T. M. NatsvlishviliA&A, 507 1 (2009) 171-182DOI: https://doi.org/10.1051/0004-6361/200810892
