@article{UZKU_2012_154_1_a14,
     author = {L. A. Aksentyev and A. N. Akhmetova},
     title = {On the gradient of the conformal radius of a~plane domain},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {167--178},
     publisher = {mathdoc},
     volume = {154},
     number = {1},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2012_154_1_a14/}
}