@article{RM_1996_51_4_a7,
     author = {A. O. Ivanov and A. A. Tuzhilin},
     title = {The classification of minimal skeletons with a~regular boundary},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {734--735},
     year = {1996},
     volume = {51},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1996_51_4_a7/}
}