Bauer, Karl Wilhelm Differential operators for partial differential equations and function theoretic applications / Karl Wilhelm Bauer, Stephan Ruscheweyh - Berlin Springer-Verlag 1980 - v, 258 p. ; 25 cm. - Lecture notes in mathematics v.791 . ISBN: 3540099751 LCCN: 80-013537 Subjects--Topical Terms: Differential equations, PartialDifferential operators