The Dirichlet Problem for Elliptic-Hyperbolic Equations of Keldysh Type Lecture Notes in Mathematics, nr. 2043 Autor Thomas H. Otway 7 ian 2012 Paperback Preț: 369.36 lei 6-8 săpt.
Elliptic–Hyperbolic Partial Differential Equations: A Mini-Course in Geometric and Quasilinear Methods SpringerBriefs in Mathematics Autor Thomas H. Otway 21 iul 2015 Paperback Preț: 364.71 lei 6-8 săpt.