publisher: Springer, Paperback" /> publish date: January 1st 1981
format: paperback
language: English
ISBN:
3764313005 (9783764313005)
publisher: Springer, 126 pages, Paperback" /> publish date: January 1st 1982
format: paperback pages: 126
language: English
ISBN:
376431348X (9783764313487)