@article{RM_1990_45_2_a8,
     author = {A. O. Ivanov and A. A. Tuzhilin},
     title = {Solution of the {Steiner} problem for convex boundaries},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {214--215},
     publisher = {mathdoc},
     volume = {45},
     number = {2},
     year = {1990},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1990_45_2_a8/}
}