Wells, Dare A., 1899- 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, [electronic resource] / by Dare A. Wells.. — New York, : Schaum Pub. Co., [1967]. — 353 p. : illus. 28 cm. — (Schaum's outline series).