Mathematical Century The 30 Greatest Problems of the Last 100 Years Odifreddi Piergiorgio Heftet / 2006 / Engelsk
Logic and Computer Science Lectures given at the 1st Session of the Centro Internazionale Matematico Estivo (C.I.M.E.) held at Montecatini Terme, Italy, June 20-28, 1988 Homer Steven Heftet / 1990 / Engelsk
