@article{CMUC_1995__36_2_a7,
     author = {Ne\v{s}et\v{r}il, Jaroslav and R\"odl, Vojt\v{e}ch},
     title = {More on the complexity of cover graphs},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {269--278},
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {1995},
     mrnumber = {1357529},
     zbl = {0829.06002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1995__36_2_a7/}
}