@article{ADM_2013_16_1_a5,
     author = {T. Dinesh and T. V. Ramakrishnan},
     title = {Labelling matrices and index matrices of a graph structure},
     journal = {Algebra and discrete mathematics},
     pages = {42--60},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2013_16_1_a5/}
}