1990 - Heat Kernels and Spectral Theory [Cambridge Tracts in Mathematics] (Paperback) → Hardcover ISBN-13: 9780521409971 ISBN-10: 0521409977 Genre: Science & Math ? 1989 - Heat Kernels and Spectral Theory [Cambridge Tracts in Mathematics] (Hardcover) → Paperback ISBN-13: 9780521361361 ISBN-10: 0521361362 ? |