@article{KYB_1992_28_3_a6,
     author = {Balasubramanian, Ganesan},
     title = {On extensions of fuzzy topologies},
     journal = {Kybernetika},
     pages = {239--244},
     year = {1992},
     volume = {28},
     number = {3},
     mrnumber = {1174660},
     zbl = {0795.54011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1992_28_3_a6/}
}