ISBN 3540089357 books & textbook
Differential Geometrical Methods in Mathematical Physics II: Proceedings, University of Bonn, July 13 - 16, 1977 (Lecture Notes in Mathematics, 676)
Bleuler, K. Petry, H. R. Reetz, A.
Springer /1978-09-01 Paperback / 632 Pages
isbn-10: 3540089357 / isbn-13: 9783540089353
