A geometric approach to the Gibbs-Appell equations in Lagrangian mechanics

Article: 
A geometric approach to the Gibbs-Appell equations in Lagrangian mechanics
Authors: 
J. F. Cariñena and J. Fernández-Núñez
Journal: 
J. Math. Phys. A: Math. Theor.
Volume: 
43
Pages: 
505205
Year: 
2010
URL: 
http://iopscience.iop.org/1751-8121/43/50/505205