@article{RM_1992_47_2_a1,
     author = {A. O. Ivanov and A. A. Tuzhilin},
     title = {Geometry of minimal networks and the one-dimensional {Plateau} problem},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {59--131},
     publisher = {mathdoc},
     volume = {47},
     number = {2},
     year = {1992},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1992_47_2_a1/}
}