00301nam a2200121 a 4500008004100000020001500041050001500056100001400071245002100085260004300106300002100149350000900170120416s0000    ||||||||||||||||| ||    u  a0710061811  aQA 184 Coh  aCohn, P.M10aLinear equations  aLondonbRoutledge and Kegan Paulc1958  aviii, 75p. : ill  a0.00