@article{10_21136_CMJ_1989_102339,
     author = {Harminc, Mat\'u\v{s} and Jakub{\'\i}k, J\'an},
     title = {Maximal convergences and minimal proper convergences in $\ell$-groups},
     journal = {Czechoslovak Mathematical Journal},
     pages = {631--640},
     publisher = {mathdoc},
     volume = {39},
     number = {4},
     year = {1989},
     doi = {10.21136/CMJ.1989.102339},
     mrnumber = {1017998},
     zbl = {0703.06011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102339/}
}