@article{10_37236_992,
     author = {Peter Hegarty},
     title = {Extremal subsets of \(\{1,\dots ,n\}\) avoiding solutions to linear equations in three variables},
     journal = {The electronic journal of combinatorics},
     year = {2007},
     volume = {14},
     doi = {10.37236/992},
     zbl = {1157.05335},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/992/}
}