TY - BOOK AU - Guy,Richard K. TI - Unsolved problems in number theory T2 - Unsolved problems in intuitive mathematics SN - 0387905936 AV - QA43QA141 .G88 vol. 1 U1 - 510.76 s512.7076 19 PY - 1981///] CY - New York PB - Springer-Verlag KW - Number theory KW - Problems, exercises, etc N1 - Includes bibliographies and indexes ER -