ISBN 9783055017575 books & textbook
The Degenerate Oblique Derivative Problem for Elliptic and Parabolic Equations (Paper only) (See 3527401121) (MATHEMATICAL RESEARCH)
Popivanov, Petar R. Palagachev, Dian K.
Wiley-VCH /1997-04-17 Paperback / 156 Pages
isbn-10: 3055017579 / isbn-13: 9783055017575
