@article{10_4153_CMB_1970_051_0,
     author = {Day, Alan},
     title = {A {Simple} {Solution} to the {Word} {Problem} for {Lattices}},
     journal = {Canadian mathematical bulletin},
     pages = {253--254},
     year = {1970},
     volume = {13},
     number = {2},
     doi = {10.4153/CMB-1970-051-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-051-0/}
}