@article{10_21136_MB_2020_0114_18,
     author = {Lafuente-Rodriguez, Ramiro and McGovern, Warren Wm.},
     title = {When ${\rm Min}(G)^{-1}$ has a clopen $\pi $-base},
     journal = {Mathematica Bohemica},
     pages = {69--89},
     publisher = {mathdoc},
     volume = {146},
     number = {1},
     year = {2021},
     doi = {10.21136/MB.2020.0114-18},
     mrnumber = {4227312},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2020.0114-18/}
}