@article{MS2_1980__46_166698,
     author = {Heneri A.M. Dzinotyiweyi},
     title = {Compactness criteria for semigroups, a note on a preceding paper.},
     journal = {Mathematica Scandinavica},
     pages = {173--176},
     publisher = {mathdoc},
     volume = {46},
     year = {1980},
     zbl = {0456.22005},
     url = {http://geodesic.mathdoc.fr/item/MS2_1980__46_166698/}
}