@article{MOMA_1975__79_177684,
     author = {T. Thrivikraman},
     title = {...-Extensions of {Topological} {Spaces} {II.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {151--156},
     publisher = {mathdoc},
     volume = {79},
     year = {1975},
     zbl = {0295.54029},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1975__79_177684/}
}