@article{TM_1961_60_a10,
     author = {N. A. Lebedev},
     title = {An application of the area principle to non-overlapping domains},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {211--231},
     year = {1961},
     volume = {60},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1961_60_a10/}
}