ISBN 0821839950 books & textbook
Projective Group Structures as Absolute Galois Structures with Block Approximation (Memoirs of the American Mathematical Society)
Haran, Dan Jarden, Moshe Pop, Florian
Amer Mathematical Society /2007-01-01 Paperback / 56 Pages
isbn-10: 0821839950 / isbn-13: 9780821839959
