@InCollection{Chwastyk:2001,
author
=
"A.Chwastyk and K.Głazek",
title
=
"Remarks on associative groupoids",
pages
=
"83--89",
year
=
"2001",
booktitle
=
"Contributions to general algebra 13proceedings of the 60th workshop on general algebra ISBN: 3853669743",
publisher
=
"Verlag Johannes Heyn",
address
=
"Klagenfurt",
}