@article{10_4153_CJM_1967_031_x,
     author = {Graham, R. L.},
     title = {On {Partitions} of an {Equilateral} {Triangle}},
     journal = {Canadian journal of mathematics},
     pages = {394--409},
     year = {1967},
     volume = {19},
     number = {1},
     doi = {10.4153/CJM-1967-031-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-031-x/}
}