Systems of linear equations / [by] B. E. Margulis ; translated and adapted from the Russian, by Jerome Kristian and Daniel A. Levine. Margulis, B. E. Equations, Simultaneous. QA195 M131 517.383 MAS Oxford : Pergamon Press ; New York : Distributed in the Western Hemisphere by Macmillan, 1964] 1964] 1964 Text ix, 88 p. : eng Popular lectures in mathematics (New York, N.Y.) ; v. 14 Survey of recent East European mathematical literature