@article{MZM_2010_87_1_a0,
     author = {L. A. Aksent'ev and A. N. Akhmetova},
     title = {On {Mappings} {Related} to the {Gradient} of the {Conformal} {Radius}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {3--12},
     publisher = {mathdoc},
     volume = {87},
     number = {1},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2010_87_1_a0/}
}