TY - BOOK TI - Introduction to mathematical proofs SN - 9781420069556 (hardcover : alk. paper) | 1420069551 (hardcover : alk. paper) PY - 2009/// CY - London PB - CRC Press N1 - A Chapman & Hall book." UR - http://www.columbia.edu/cgi-bin/cul/resolve?clio11109877 ER -