@article{10_4064_am_8_3_231_242,
     author = {W. Szwarc},
     title = {The time transportation problem},
     journal = {Applicationes Mathematicae},
     pages = {231--242},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {1965},
     doi = {10.4064/am-8-3-231-242},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-8-3-231-242/}
}