TY - BOOK AU - Cofman,Judita ED - Clarendon Press TI - What to solve?: problems and suggestions for young mathematicians T2 - Oxford science publications SN - 0198532946 U1 - 510.76 23 PY - 1991///. CY - Oxford: PB - Clarendon Press, KW - Problem solving KW - Mathematics KW - Problems, exercises, etc N1 - Includes bibliography references ER -