@article{Grygiel:2009,
author
=
"K.Grygiel and W.Leoński and P.Szlachetka",
title
=
"Validity of the cumulant method for a pulse nonlinear Kerr oscillator",
journal
=
"Acta Physica Slovaca",
volume
=
"Vol. 48",
number
=
"no 3",
pages
=
"379--384",
year
=
"1998",
}