TY - JOUR AU - Roberto Cruz AU - Carlos Alberto Marin AU - Juan Rada TI - Extremal Values of Merrifield-Simmons Index for Trees with Two Branching Vertices JO - Kragujevac Journal of Mathematics PY - 2018 SP - 97 VL - 42 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KJM_2018_42_1_a7/ LA - en ID - KJM_2018_42_1_a7 ER -