Wells, D. A. (1967). Schaum's outline of theory and problems of Lagrangian dynamics: With a treatment of Euler's equations of motion, Hamilton's equations and Hamilton's principle. New York: Schaum Pub.

Wells, Dare A. Schaum's Outline of Theory and Problems of Lagrangian Dynamics: With a Treatment of Euler's Equations of Motion, Hamilton's Equations and Hamilton's Principle. New York: Schaum Pub, 1967.

Wells, Dare A. Schaum's Outline of Theory and Problems of Lagrangian Dynamics: With a Treatment of Euler's Equations of Motion, Hamilton's Equations and Hamilton's Principle. New York: Schaum Pub, 1967.