@article{MZM_2021_110_3_a5,
     author = {S. Yu. Sadov},
     title = {On {Shallit's} {Minimization} {Problem}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {386--404},
     publisher = {mathdoc},
     volume = {110},
     number = {3},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2021_110_3_a5/}
}