1999 - Differentialoperator Equations Ordinary and Partial Differential Equations [Monographs and Surveys in Pure and Applied Mathematics,Vol 103] (Hardcover) ISBN-13: 9781584881391 ISBN-10: 1584881399 Genres: Science & Math, Engineering & Transportation ? 1993 - Completeness of Root Functions of Regular Differential Operators (Hardcover) → Hardcover ISBN-13: 9780582236929 ISBN-10: 0582236924 Genre: Science & Math ? |