ISBN 3540242007 books & textbook
Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians (Lecture Notes in Mathematics, 1862)
Nier, Francis Helffer, Bernard
Springer /2005-02-11 Paperback / 219 Pages
isbn-10: 3540242007 / isbn-13: 9783540242000
