@article{Urbanowski:2014,
author
=
"K.Urbanowski and K.Raczyńska",
title
=
"Possible emission of cosmic X- and y-rays by unstable particles",
journal
=
"Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
volume
=
"Vol. 731",
pages
=
"236--241",
year
=
"2014",
}