J. Scott Provan. Convexity and the Steiner tree problem. Networks, 18(1):55-72, 1988. [doi]
@article{Provan88-0,
title = {Convexity and the Steiner tree problem},
author = {J. Scott Provan},
year = {1988},
doi = {10.1002/net.3230180108},
url = {http://dx.doi.org/10.1002/net.3230180108},
researchr = {https://researchr.org/publication/Provan88-0},
cites = {0},
citedby = {0},
journal = {Networks},
volume = {18},
number = {1},
pages = {55-72},
}