00439nam a2200169Ia 4500082001700000100002000017245002600037260003500063300001300098500000500111690000600116700000500122952009800127964001700225921001000242999001700252  a512bT942.TE  aTurnbull, H. W.  aTheory of equationsb  aEdinburghbOliver & Boydc1963  ax, 166p.  a  a   a  00104070aISIbISId1998-09-14l0o512 T942.TEpDP8042r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a10579  c10579d10579