@article{CMJ_2008__58_4_a1,
     author = {Henning, Michael A. and Mynhardt, Christina M.},
     title = {The diameter of paired-domination vertex critical graphs},
     journal = {Czechoslovak Mathematical Journal},
     pages = {887--897},
     publisher = {mathdoc},
     volume = {58},
     number = {4},
     year = {2008},
     mrnumber = {2471154},
     zbl = {1174.05093},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2008__58_4_a1/}
}