2008 - Nonlinear Superposition Operators [Cambridge Tracts in Mathematics] (Paperback) → Hardcover ISBN-13: 9780521090933 ISBN-10: 0521090938 ? 1990 - Nonlinear Superposition Operators [Cambridge Tracts in Mathematics] (Hardcover) → Paperback ISBN-13: 9780521361026 ISBN-10: 0521361028 ? |