@article{article98476292,
title   = {On the Euler and Lagrange's points of view in rigid body mechanics: An integrated approach},
author = {Martins, Flavius Portella Ribas and Trigo, Flávio Celso and Fleury, Agenor de Toledo},
year = {2011},
doi = {10.7227/IJMEE.39.1.6},
journal   = {International Journal of Mechanical Engineering Education}
}