@article{CMUC_1991__32_4_a23,
     author = {van Gool, Frans},
     title = {Announcements of new results},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {791--792},
     publisher = {mathdoc},
     volume = {32},
     number = {4},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1991__32_4_a23/}
}