@article{Szumiński:2018,
author
=
"W.Szumiński",
title
=
"Integrability analysis of chaotic and hyperchaotic finance systems",
journal
=
"Nonlinear Dynamics",
volume
=
"Vol. 94",
number
=
"no. 1",
pages
=
"443--459",
year
=
"2018",
}