@article{10_4153_CMB_1978_019_7,
     author = {Borwein, D.},
     title = {A {Sum} of {Reciprocals} of {Least} {Common} {Multiples}},
     journal = {Canadian mathematical bulletin},
     pages = {117--118},
     year = {1978},
     volume = {21},
     number = {1},
     doi = {10.4153/CMB-1978-019-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-019-7/}
}