. at the conference hall . of the Sternberg Astronomical Institute, . at 14 00 on Friday, April 5 , 2002 . (91-th seminar) . 1. V.S.Beskin (LPI), R.Yu.Kompaneets, A.D.Chekhovskoy (MIPT) . " On the internal structure of a thin accretion disk " . 45 min . The secretary of the seminar - M.E.Prokhorov . Access free (code 4385) . Abstracts and INTERNET Subscribe possible at . http://xray.sai.msu.ru/sciwork/eseminars.html .