@article{zu226210,
          volume = {12},
          number = {3},
          author = {?. ?. ?????? and ?. ?. ??????? and ?. ?. ??????},
           title = {??????????? ?????????????? ? ??????? ?? ????????????? ????????? ??????????? ?????????},
       publisher = {??? ???????},
         journal = {??????? ????? ????????? ?????????? ??? ???????},
           pages = {17--23},
            year = {2015},
             url = {http://eprints.zu.edu.ua/26210/},
        abstract = {In this paper we consider a problem on a description of extremal
configurations under which a product of inner radii for mutually nonoverlapping
domains gets a maximum.}
}