@techreport{RISC2765,
author = {B. Buchberger and B.Roider},
title = {{A Study on Universal Functions}},
language = {english},
number = {72-5},
year = {1972},
month = {December},
annote = {1972-12-00-A},
institution = {Institut fuer Numersiche Mathematik und Elektronische Informationsverarbeitung, Universitaet Innsbruck},
length = {31}
}