@article{CMJ_2008_58_3_a1,
     author = {Karami, H. and Sheikholeslami, S. M. and Khodkar, Abdollah},
     title = {Lower bounds on signed edge total domination numbers in graphs},
     journal = {Czechoslovak Mathematical Journal},
     pages = {595--603},
     year = {2008},
     volume = {58},
     number = {3},
     mrnumber = {2455925},
     zbl = {1174.05095},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2008_58_3_a1/}
}