@article{CRMATH_2020__358_4_515_0,
     author = {Margaris, Alexandros and Robinson, James C.},
     title = {Some comments on {Laakso} graphs and sets of differences},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {515--521},
     publisher = {Acad\'emie des sciences, Paris},
     volume = {358},
     number = {4},
     year = {2020},
     doi = {10.5802/crmath.70},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/crmath.70/}
}