@article{MZM_2020_108_5_a5,
     author = {E. S. Zhukovskiy},
     title = {Comparison {Method} for {Studying} {Equations} in {Metric} {Spaces}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {702--713},
     publisher = {mathdoc},
     volume = {108},
     number = {5},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2020_108_5_a5/}
}