Lagrange's Equations with Undetermined Multipliers
Pages 248-254 Classical dynamics of particles and systems by S. T. Thorntom and J. B. Marion, 5th. Edition Harcourt Brace and company (2012).
Pages 248-254 Classical dynamics of particles and systems by S. T. Thorntom and J. B. Marion, 5th. Edition Harcourt Brace and company (2012).