ISBN 3540111921 books & textbook
Mathematical Problems in Theoretical Physics: Proceedings of the VIth International Conference on Mathematical Physics, Berlin (West), August 11–20, 1981 (Lecture Notes in Physics, 153)
Seiler, R. Uhlenbrock, D.A. Schrader, R.
Springer /1982-02-01 Paperback / 444 Pages
isbn-10: 3540111921 / isbn-13: 9783540111924