@article{BMMS_2014_37_3_a11,
     author = {Hengzhe Li and Xueliang Li and Yaping Mao},
     title = {On {Extremal} {Graphs} with  {Internally} {Disjoint} {Steiner} {Trees}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2014},
     volume = {37},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2014_37_3_a11/}
}