@article{DAN_1989_307_2_a0,
     author = {N. V. Zorii},
     title = {The problem of the minimum of the {Green} energy for},
     journal = {Doklady Akademii Nauk},
     pages = {265--269},
     publisher = {mathdoc},
     volume = {307},
     number = {2},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_307_2_a0/}
}