@article{DA_2021_28_4_a0,
     author = {I. L. Vasilyev and A. V. Ushakov},
     title = {Discrete facility location in machine learning},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {5--60},
     publisher = {mathdoc},
     volume = {28},
     number = {4},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2021_28_4_a0/}
}