Karl Menger, Ergebnisse eines Mathematischen KolloquiumsEgbert Dierker, Karl Sigmund, F. Alt, G. Debreu, W. Dawson, R. Engelking, W. Hildenbrand · First published 2012Open the Tome
Karl MengerEgbert Dierker, Karl Sigmund, F. Alt, G. Debreu, W. Dawson, R. Engelking, W. Hildenbrand · First published 1998Open the Tome