@article{PDM_2023_4_a3,
     author = {V. A. Idrisova and N. N. Tokareva and A. A. Gorodilova and I. I. Beterov and T. A. Bonich and E. A. Ishchukova and N. A. Kolomeets and A. V. Kutsenko and E. S. Malygina and I. A. Pankratova and M. A. Pudovkina and A. N. Udovenko},
     title = {Mathematical problems and solutions of the {Ninth} {International} {Olympiad} in {Cryptography} {NSUCRYPTO}},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {29--54},
     publisher = {mathdoc},
     number = {4},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PDM_2023_4_a3/}
}