00000nam a2200000 a 4500 20251203110442.0 512.7 BAR BARBEAU,EDWARD J Pell's equation NEW YORK SPRINGER VERLAG 2003 IX,212P. 22CM. HB PELL'S EQUATION-NUMBER THEORY ENG 512 _ 108107 LIBSC C 90510 90510 0 0 0 0 PU PU 2004-03-25 2562.78 0 512.7 BAR 108107 BK