@article{GDZPPN00231407X, title = {Some Minimal Group Topologies are Precompact.}, journal = {Mathematische Annalen}, volume = {229}, year = {1977}, pages = {117-126}, zbl = {0343.22001}, url = {http://dml.mathdoc.fr/item/GDZPPN00231407X} }
Prodanov, Iv. Some Minimal Group Topologies are Precompact.. Mathematische Annalen, Tome 229 (1977) pp. 117-126. http://gdmltest.u-ga.fr/item/GDZPPN00231407X/