@article{10_4153_CMB_1970_054_2,
     author = {Shuster, Jonathan},
     title = {On the {Borel-Cantelli} {Problem}},
     journal = {Canadian mathematical bulletin},
     pages = {273--275},
     year = {1970},
     volume = {13},
     number = {2},
     doi = {10.4153/CMB-1970-054-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-054-2/}
}