@article{DMGT_2012_32_1_a3,
     author = {Muthu Guru Packiam, K. and Kathiresan, Kumarappan},
     title = {On total vertex irregularity strength of graphs},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {39--45},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2012_32_1_a3/}
}