@article{MZM_2012_91_5_a12,
     author = {Chuanxi Zhu and Qiuying Li},
     title = {Applications of the {Fixed} {Point} {Index} in {Menger} {PN-Spaces}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {773--779},
     publisher = {mathdoc},
     volume = {91},
     number = {5},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2012_91_5_a12/}
}