@article{10_4064_fm_78_2_183_188,
     author = {Don Mattson},
     title = {Real maximal round filters in proximity spaces},
     journal = {Fundamenta Mathematicae},
     pages = {183--188},
     publisher = {mathdoc},
     volume = {78},
     number = {2},
     year = {1973},
     doi = {10.4064/fm-78-2-183-188},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-78-2-183-188/}
}