The publisher that published XXX is what?
Ars Mathematica Contemporanea
Ars Mathematica Contemporanea is a peer-reviewed scientific journal covering mathematics and published by the University of Primorska, Slovenia, together with the Institute of Mathematics, Physics, and Mechanics and the Society of Mathematicians, Physicists and Astronomers of Slovenia.
Society of Mathematicians, Physicists and Astronomers of Slovenia