This book provides a treatment of research carried out in the last twenty years on congruences involving the values of L-functions (attached to quadratic characters) at certain special values.

The MRS Symposium Proceeding series is an internationally recognised reference suitable for researchers and practitioners.

The 5th edition of Yamada’s Atlas of Gastroenterology sees the return of the gold-standard multi-media atlas that provides gastroenterologists with an outstanding visual tool covering all facets of the field.