@article{VMUMM_2010_3_a1,
     author = {A. O. Ivanov and A. A. Tuzhilin},
     title = {Generalized {Maxwell} formula for the length of a minimal tree with a given topology},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {7--14},
     publisher = {mathdoc},
     number = {3},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2010_3_a1/}
}