@article{Bisnovatyi-Kogan:2009,
author
=
"G.Bisnovatyi-Kogan and A.Timokhin",
title
=
"Optical counterparts of cosmological gamma-ray bursts: Interaction with matter surrounding the parent galaxy",
journal
=
"Astronomy Reports",
volume
=
"Vol. 41",
number
=
"iss. 4",
pages
=
"423--435",
year
=
"1997",
}