TY - BOOK AU - Bradis,V.M. AU - MinkovskiÄ­,V.L. AU - Kharcheva,A.K. AU - Schorr-Kon,J.J. AU - Maxwell,E.A. TI - Lapses in mathematical reasoning U1 - 510 BRA PY - 1963/// CY - Oxford : PB - Pergamon Press, KW - Mathematics KW - Problem solving KW - Mathematics--Study and teaching ER -