TY - JOUR AU - A. O. Ivanov AU - A. A. Tuzhilin TI - Generalized Maxwell formula for the length of a minimal tree with a given topology JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2010 SP - 7 EP - 14 IS - 3 UR - http://geodesic.mathdoc.fr/item/VMUMM_2010_3_a1/ LA - ru ID - VMUMM_2010_3_a1 ER -