Paper  doi  bibtex   

@article{DBLP:journals/siamcomp/AwerbuchABV98,
  author    = {Baruch Awerbuch and
               Yossi Azar and
               Avrim Blum and
               Santosh Vempala},
  title     = {New Approximation Guarantees for Minimum-Weight k-Trees and Prize-Collecting
               Salesmen},
  journal   = {{SIAM} J. Comput.},
  volume    = {28},
  number    = {1},
  pages     = {254--262},
  year      = {1998},
  url       = {https://doi.org/10.1137/S009753979528826X},
  doi       = {10.1137/S009753979528826X},
  timestamp = {Sat, 27 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/bib/journals/siamcomp/AwerbuchABV98},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}