@article{INTO_2021_193_a2,
     author = {E. I. Biryukova},
     title = {An analog of the {Jordan--Dirichlet} theorem for an operator with involution on a graph},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {17--24},
     publisher = {mathdoc},
     volume = {193},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2021_193_a2/}
}