@article{IVM_2021_5_a9,
     author = {R. Yu. Pepa and F. Yu. Popelensky},
     title = {On combinatorial geometric flows of two dimensional surfaces},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {78--88},
     year = {2021},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2021_5_a9/}
}