@article{10_4153_CJM_1970_048_3,
     author = {Lakser, H.},
     title = {Normal and {Canonical} {Representations} in {Free} {Products} of {Lattices{\textdagger}}},
     journal = {Canadian journal of mathematics},
     pages = {394--402},
     year = {1970},
     volume = {22},
     number = {2},
     doi = {10.4153/CJM-1970-048-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-048-3/}
}