@article{10_21136_CMJ_1986_102081,
     author = {Swartz, Charles},
     title = {Summable subsequences in convergence groups},
     journal = {Czechoslovak Mathematical Journal},
     pages = {177--179},
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {1986},
     doi = {10.21136/CMJ.1986.102081},
     mrnumber = {831305},
     zbl = {0617.46021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102081/}
}