@article{MZM_1978_23_2_a9,
     author = {Yu. E. Alenitsyn},
     title = {Some extremal properties of conformal mappings of a~multiply connected domain onto canonical $p$-sheeted surfaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {261--270},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1978_23_2_a9/}
}