cc-by (c) Society of Mathematicians, Physicists and Astronomers of Slovenia, Institute of Mathematics, Physics, and Mechanics, University of Primorska (Slovenia) 2014
Aquest document està subjecte a una llicència Creative Commons.cc-by (c) Society of Mathematicians, Physicists and Astronomers of Slovenia, Institute of Mathematics, Physics, and Mechanics, University of Primorska (Slovenia) 2014