Pal, Sankar K . Fuzzy : mathematical approach to pattern recognition / Sakar K. Pal and Dwijesh K. Dutta Majumder. - New York : John Wiley & Sons , 1986. - 280p. : ills ; 22cm . Includes index ISBN: 0470274638 NULL Subjects--Index Terms: MATHEMATICAL APPROACH Dewey Class. No.: 511.322 / PAL/F