Michael Elkin, Shay Solomon. Steiner Shallow-Light Trees Are Exponentially Lighter than Spanning Ones. SIAM Journal on Computing, 44(4):996-1025, 2015. [doi]
@article{ElkinS15,
title = {Steiner Shallow-Light Trees Are Exponentially Lighter than Spanning Ones},
author = {Michael Elkin and Shay Solomon},
year = {2015},
doi = {10.1137/13094791X},
url = {http://dx.doi.org/10.1137/13094791X},
researchr = {https://researchr.org/publication/ElkinS15},
cites = {0},
citedby = {0},
journal = {SIAM Journal on Computing},
volume = {44},
number = {4},
pages = {996-1025},
}