@ARTICLE{
author={Govorcin Jelena,Gvozdenovic Nebojsa,Povh Janez},
year={2013},
title={New heuristics for the vertex coloring problem based on semidefinite programming},
journal={CENTRAL EUROPEAN JOURNAL OF OPERATIONS RESEARCH},
volume={21},
number={},
pages={S13-S25},
document_type={Article},
}