@article{DMGT_2012_32_1_a8,
     author = {Santhakumaran, A. and Jebaraj, T.},
     title = {Double geodetic number of a graph},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {109--119},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2012_32_1_a8/}
}