@article{CMUC_1992__33_3_a11,
     author = {Clementino, Maria Manuel},
     title = {$\Cal T_0$- and $\Cal T_1$-reflections},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {493--504},
     publisher = {mathdoc},
     volume = {33},
     number = {3},
     year = {1992},
     mrnumber = {1209291},
     zbl = {0842.18002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1992__33_3_a11/}
}