@article{10_37236_2856,
     author = {Hong Liu},
     title = {Extremal graphs for blow-ups of cycles and trees},
     journal = {The electronic journal of combinatorics},
     year = {2013},
     volume = {20},
     number = {1},
     doi = {10.37236/2856},
     zbl = {1266.05074},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/2856/}
}