@article{MAN_1977__227_162968,
     author = {Iv. Prodanov},
     title = {Some {Minimal} {Group} {Topologies} are {Precompact.}},
     journal = {Mathematische Annalen},
     pages = {117--126},
     publisher = {mathdoc},
     volume = {227},
     year = {1977},
     zbl = {0343.22001},
     url = {http://geodesic.mathdoc.fr/item/MAN_1977__227_162968/}
}