@article{KJM_2018_42_1_a7,
     author = {Roberto Cruz and Carlos Alberto Marin and Juan Rada},
     title = {Extremal {Values} of {Merrifield-Simmons} {Index} for {Trees} with {Two} {Branching} {Vertices}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {97 },
     publisher = {mathdoc},
     volume = {42},
     number = {1},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2018_42_1_a7/}
}