@article{Denecke:2009,
author
=
"K.Denecke and K.Głazek and S.Niwczyk",
title
=
"Clone automorphisms and hypersubstitutions",
journal
=
"Novi Sad Journal of Mathematics",
volume
=
"Vol. 34",
number
=
"no 2",
pages
=
"99--108",
year
=
"2004",
}