@article{CMUC_1985__26_2_a21,
     author = {Ne\v{s}et\v{r}il, Jaroslav and Poljak, Svatopluk},
     title = {On the complexity of the subgraph problem},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {415--419},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1985},
     mrnumber = {803938},
     zbl = {0571.05050},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1985__26_2_a21/}
}