ISBN 3540430083 books & textbook
Conformal Geometry of Surfaces in S4 and Quaternions
Burstall, Francis E. Ferus, Dirk Leschke, Katrin Pedit, Franz Pinkall, Ulrich
Springer /2002-01-01 Paperback / 86 Pages
isbn-10: 3540430083 / isbn-13: 9783540430087
