Vladimir Kats, Eugene Levner. Minimizing the number of vehicles in periodic scheduling: The non-Euclidean case. European Journal of Operational Research, 107(2):371-377, 1998. [doi]
@article{KatsL98,
title = {Minimizing the number of vehicles in periodic scheduling: The non-Euclidean case},
author = {Vladimir Kats and Eugene Levner},
year = {1998},
doi = {10.1016/S0377-2217(97)00339-1},
url = {http://dx.doi.org/10.1016/S0377-2217(97)00339-1},
researchr = {https://researchr.org/publication/KatsL98},
cites = {0},
citedby = {0},
journal = {European Journal of Operational Research},
volume = {107},
number = {2},
pages = {371-377},
}