ABSTRACT
See also LAGRANGE’S EQUATION
References Ince, E. L. Ordinary Differential Equations. New York:
Dover, pp. 38/9, 1956. Murphy, G. M. Ordinary Differential Equations and Their
Solution. Princeton, NJ: Van Nostrand, pp. 65/6, 1960. Valiron, G. The Geometric Theory of Ordinary Differential
Equations and Algebraic Functions. Brookline, MA: Math. Sci. Press, pp. 217/18, 1950.
