@article{3117,
author = {Ghori, Q.K.},
title = {Equations of motion of nonlinear nonholonomic systems with variable masses},
journal = {Portugaliae mathematica},
volume = {45},
year = {1988},
pages = {49-58},
zbl = {0647.70016},
mrnumber = {0952797},
language = {en},
url = {http://dml.mathdoc.fr/item/3117}
}
Ghori, Q.K. Equations of motion of nonlinear nonholonomic systems with variable masses. Portugaliae mathematica, Tome 45 (1988) pp. 49-58. http://gdmltest.u-ga.fr/item/3117/