@article{FAA_2018_52_2_a5,
     author = {B. D. Gel'man},
     title = {Periodic {Trajectories} and {Coincidence} {Points} of {Tuples} of {Set-Valued} {Maps}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {72--77},
     publisher = {mathdoc},
     volume = {52},
     number = {2},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2018_52_2_a5/}
}