@article{Arvieu:2009,
author
=
"R.Arvieu and P.Rozmej and W.Berej",
title
=
"Time-dependent partial waves and vortex rings in the dynamics of wavepackets",
journal
=
"Journal of Physics A : Mathematical and General",
volume
=
"Vol. 30",
pages
=
"5381--5392",
year
=
"1997",
}