@article{10_37236_2302,
     author = {G\'abor Simonyi and Claude Tardif and Ambrus Zsb\'an},
     title = {Colourful theorems and indices of homomorphism complexes},
     journal = {The electronic journal of combinatorics},
     year = {2013},
     volume = {20},
     number = {1},
     doi = {10.37236/2302},
     zbl = {1266.05041},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/2302/}
}