@article{Zdziarski:2012,
author
=
"A.Zdziarski and P.Lubiński and M.Sikora",
title
=
"The MeV spectral tail in Cyg X-1 and optically thin emission of jets",
journal
=
"Monthly Notices of the Royal Astronomical Society",
volume
=
"Vol. 423",
pages
=
"663--675",
year
=
"2012",
}