@article{MO_2020_1_a6,
     author = {S. V. Zakurdaev},
     title = {Hierarchical algorithm for constructing a minimal spanning tree},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {51--53},
     year = {2020},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2020_1_a6/}
}