00307nam a2200121 a 450000500170000008200210001710000060003811000240004424500330006826000420010130000160014350000260015920251203091554.0  a510.321,bD, haz  d_  aHazewinkel, Michiel  aEncyclopaedia of Mathematics  aHollaNew DelhibKluwer Academicc1987  a10v, 24 cm.  aOur library has vol.1