@article{01282733, title = {On existence and uniqueness of the solution of the equation of motion for constrained mechanical systems.}, journal = {Mathematical Problems in Engineering}, volume = {1}, year = {1995}, pages = {37-39}, doi = {10.1155/S1024123X95000056}, zbl = {0925.70150}, language = {en}, url = {http://dml.mathdoc.fr/item/01282733} }
Udwadia, Firdaus E.; Kalaba, Robert E.; Nashed, M.Zuhair. On existence and uniqueness of the solution of the equation of motion for constrained mechanical systems.. Mathematical Problems in Engineering, Tome 1 (1995) pp. 37-39. doi : 10.1155/S1024123X95000056. http://gdmltest.u-ga.fr/item/01282733/