@article{Braun:2009,
author
=
"M.Braun and K.Urbanowski",
title
=
"On the decay width of multiply measured unstable state",
journal
=
"Foundations of Physics Letters",
volume
=
"Vol. 6",
number
=
"no 5",
pages
=
"481--490",
year
=
"1993",
}