@article{JGAA_2011_15_6_a0,
     author = {Charalampos Tsourakakis and Mihail Kolountzakis and Gary Miller},
     title = {Triangle {Sparsifiers}},
     journal = {Journal of graph algorithms and applications},
     pages = {703--726},
     year = {2011},
     volume = {15},
     number = {6},
     doi = {10.7155/jgaa.00245},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00245/}
}