MURDOCK JAMES A. PERTURBATIONS: theory and methods/ by Murdock, J.A - NEW YORK: JOHN WILEY AND SONS, 1991. - xvi, 509p.: ill.; 24cm INCLUDES INDEX ISBN: 0471612944 Source: B-16740 Subjects--Topical Terms: Pertubation (mathematics) LC Class. No.: QA871. / M87