TY - BOOK TI - The functions of algebra and trigonometry AU - Bogart, Kenneth P. SN - 0395204682 PB - Houghton Mifflin PP - Boston : Houghton Mifflin, [c1977]. PY - 1977 UR - https://library.korea.ac.kr/detail/?cid=CAT000000902818&ctype=m