@article{05632536, title = {Mathematical solutions for solving periodic railway transportation.}, journal = {Mathematical Problems in Engineering}, volume = {2009}, year = {2009}, doi = {10.1155/2009/728916}, zbl = {1181.90126}, language = {en}, url = {http://dml.mathdoc.fr/item/05632536} }
Salido, Miguel A.; Barber, Federico. Mathematical solutions for solving periodic railway transportation.. Mathematical Problems in Engineering, Tome 2009 (2009) . doi : 10.1155/2009/728916. http://gdmltest.u-ga.fr/item/05632536/