@article{VTAMU_2018_23_122_a15,
     author = {B. D. Gel'man},
     title = {The inequality of {Karisti} and generalized compression (the case of singular images)},
     journal = {Vestnik rossijskih universitetov. Matematika},
     pages = {243--249},
     publisher = {mathdoc},
     volume = {23},
     number = {122},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTAMU_2018_23_122_a15/}
}