00285nam a2200109 a 4500008004100000050001700041100002300058245003500081260002500116300002500141350000900166120416s1979    ||||||||||||||||| ||    u  aQA 135.5 Syl  aSylvester, J. E. K10aMainstream Mathematics, book 1  aLondonbNelsonc1979  a[viii], 150p. : ill.  a0.00