Viswanath Nagarajan, R. Ravi. The Directed Orienteering Problem. Algorithmica, 60(4):1017-1030, 2011. [doi]
@article{NagarajanR11,
title = {The Directed Orienteering Problem},
author = {Viswanath Nagarajan and R. Ravi},
year = {2011},
doi = {10.1007/s00453-011-9509-2},
url = {http://dx.doi.org/10.1007/s00453-011-9509-2},
researchr = {https://researchr.org/publication/NagarajanR11},
cites = {0},
citedby = {0},
journal = {Algorithmica},
volume = {60},
number = {4},
pages = {1017-1030},
}