@article{ARM_1974__10_4_a2,
     author = {Lamper, Milan},
     title = {Complements in the lattice of all topologies of topological groups},
     journal = {Archivum mathematicum},
     pages = {221--230},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {1974},
     mrnumber = {0401977},
     zbl = {0323.22003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1974__10_4_a2/}
}