@book{Motyl:2013,
author
=
"J.Motyl",
title
=
"Discussiones Mathematicae Differential Inclusions Control and Optimization, ISSN: 1509-9407",
publisher
=
"University of Zielona Góra Press",
address
=
"Zielona Góra",
pages
=
"109",
year
=
"2013",
volume
=
"Vol. 33(no. 1) ",
number
=
"no. 1",
}