@article{10_37236_230,
     author = {Yury J. Ionin},
     title = {Isosceles sets},
     journal = {The electronic journal of combinatorics},
     year = {2009},
     volume = {16},
     number = {1},
     doi = {10.37236/230},
     zbl = {1190.52013},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/230/}
}