@article{Cao Long:2009,
author
=
"V.Cao Long and P.Goldstein and S.Vu Ngoc",
title
=
"On existence of solitons for the second harmonic equations of a laser beam",
journal
=
"Communications in Physics",
volume
=
"Suppl.",
pages
=
"136--139",
year
=
"2006",
note
=
"Proceedings of 30th National Conference of Teoretical Physics",
}