@article{SVMO_2025_27_1_a2,
     author = {A. V. Litavrin},
     title = {On some universal criterion for a fixed point},
     journal = {\v{Z}urnal Srednevol\v{z}skogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {34--48},
     publisher = {mathdoc},
     volume = {27},
     number = {1},
     year = {2025},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SVMO_2025_27_1_a2/}
}