@article{Rozmej:2018,
author
=
"P.Rozmej and A.Karczewska and E.Infeld",
title
=
"Superposition solutions to the extended KdV equation",
journal
=
"Nonlinear Dynamics",
volume
=
"Vol. 91",
pages
=
"1085--1093",
year
=
"2018",
}