Backhouse, J. K. Pure Mathematics Book 1 / by J. K. Backhouse, S. P. T. Houldsworth and P.J. F. Horil - \\ 4th ed. - London: Longman, !985 - xix,586p.:ill. ISBN: 582317983 Subjects--Topical Terms: Mathematics LC Class. No.: QA 39.2 Bac