@InProceedings{Cao Long:2003,
author
=
"V.Cao Long and P.Goldstein and M.Trippenbach and D.Nguyen Tien",
title
=
"On existence of solition solutions in second harmonic equations for a laser beam",
booktitle
=
"28th National Conference on Theoretical Physics",
address
=
"Sam Son, Wietnam",
publisher
=
"Hanoi [brak wydawcy] ",
pages
=
"218--222",
organization
=
"Vietnam Physical Society",
year
=
"2003",
}