TY - BOOK AU - Erickson,Martin J. AU - Flowers,Joe TI - Principles of mathematical problem solving SN - 013096445X AV - QA63 .E75 1999 U1 - 510 21 PY - 1999/// CY - Upper Saddle River, N.J. PB - Prentice Hall KW - Problem solving N1 - Includes bibliographical references (p. 247-248) and index ER -