@article{VTGU_2018_52_a1,
     author = {E. A. Pchelintsev and V. A. Pchelintsev},
     title = {On an extremal problem for nonoverlapping domains},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {13--24},
     year = {2018},
     number = {52},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2018_52_a1/}
}