@article{article94345af9, title = {The lagrange equations for systems with mass varying explicity with position: some applications to offshore engineering}, author = {Pesce, Celso Pupo and Tannuri, Eduardo Aoun and Casetta, Leonardo}, year = {2006}, doi = {10.1590/s1678-58782006000400015}, journal = {Journal of the Brazilian Society of Mechanical Sciences and Engineering} }