@article{10_4153_CJM_1978_107_7,
     author = {Broverman, S. and Ginsburg, J. and Kunen, K. and Tall, F. D.},
     title = {Topologies {Determined} by {-Ideals} on \ensuremath{\omega}1},
     journal = {Canadian journal of mathematics},
     pages = {1306--1312},
     year = {1978},
     volume = {30},
     number = {6},
     doi = {10.4153/CJM-1978-107-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-107-7/}
}