@article{PDMA_2023_16_a1,
     author = {B. A. Pogorelov and M. A. Pudovkina},
     title = {Multipermutations and perfect diffusion of partitions},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {8--11},
     publisher = {mathdoc},
     number = {16},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2023_16_a1/}
}