TY - BOOK AU - Parent, D P AU - TI - Esercises in number theory U1 - 511.2 PY - 1984/// CY - New York PB - Springer-Verlag KW - Mathematics KW - Number theory KW - Set theory KW - Group theory KW - Matheatical sciences KW - Arithmetic KW - Numbers KW - theory of numbers KW - Algebra N1 - problem books in mathematics ER -