@article{INTO_2022_214_a2,
     author = {A. S. Zinchenko and B. P. Ilyin and V. I. Panteleev and L. V. Ryabets},
     title = {On a set of $E$-closed classes of multifunctions on a two-element set},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {30--36},
     publisher = {mathdoc},
     volume = {214},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2022_214_a2/}
}