@book{Borowiecki:2022,
author
=
"P.Borowiecki and -.[et al.]",
title
=
"Discussiones Mathematicae - Graph Theory, ISSN: 1234-3099",
publisher
=
"University of Zielona Góra Press",
address
=
"Zielona Góra",
year
=
"2022",
volume
=
"Vol. 42(1-4) ",
number
=
"1-4",
}