@article{SM_2018_209_8_a0,
     author = {A. V. Arutyunov and E. S. Zhukovskiy and S. E. Zhukovskiy},
     title = {On the cardinality of the coincidence set for mappings of metric, normed and partially ordered spaces},
     journal = {Sbornik. Mathematics},
     pages = {1107--1130},
     publisher = {mathdoc},
     volume = {209},
     number = {8},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2018_209_8_a0/}
}