Flavia Donno, Giancarlo Pesamosca. On the solution of the generalized steiner problem by the subgradient method. Math. Meth. of OR, 34(5):335-352, 1990. [doi]
@article{DonnoP90,
title = {On the solution of the generalized steiner problem by the subgradient method},
author = {Flavia Donno and Giancarlo Pesamosca},
year = {1990},
doi = {10.1007/BF01416225},
url = {http://dx.doi.org/10.1007/BF01416225},
researchr = {https://researchr.org/publication/DonnoP90},
cites = {0},
citedby = {0},
journal = {Math. Meth. of OR},
volume = {34},
number = {5},
pages = {335-352},
}