Swanson, C. A. 1929- Comparison and oscillation theory of linear differential equations/ C. A. Swanson. - New York: Academic Press, 1968. - viii, 227 p.: 24 cm. - Mathematics in science and engineering; 48. . Bibliography: p. 213-222. LCCN: 68023477 //r892 Subjects--Topical Terms: Differential equations, Linear---Numerical solutions. Dewey Class. No.: 515.35 / S972c