@article{DVMG_2021_21_2_a8,
     author = {M. D. Monina},
     title = {Periodic ultradiscrete plane transformation with a period of 12},
     journal = {Dalʹnevosto\v{c}nyj matemati\v{c}eskij \v{z}urnal},
     pages = {231--233},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DVMG_2021_21_2_a8/}
}