@article{BGUMI_2019_3_a7,
     author = {A. B. Belyi and S. L. Sobolevskii and A. N. Kourbatski and C. Ratti},
     title = {Improved upper bounds in clique partitioning problem},
     journal = {Journal of the Belarusian State University. Mathematics and Informatics},
     pages = {93--104},
     publisher = {mathdoc},
     volume = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/BGUMI_2019_3_a7/}
}