@article{10_4153_CMB_1970_009_9,
     author = {Bollob\'as, B\'ela},
     title = {The {Maximal} {Number} of {Triangles} of {Maximal} {Perimeter} {Length} {Determined} by a {Finite} {Set}},
     journal = {Canadian mathematical bulletin},
     pages = {49--50},
     year = {1970},
     volume = {13},
     number = {1},
     doi = {10.4153/CMB-1970-009-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-009-9/}
}