@article{BMMS_2012_35_1_a4,
     author = {Michael B. Frondoza and Sergio R. Canoy and Jr.},
     title = {The {Edge} {Steiner} {Number} of a {Graph}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2012},
     volume = {35},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2012_35_1_a4/}
}