@article{CTGDC_1991__32_3_257_0,
     author = {B\"orger, Reinhard and Tholen, Walter},
     title = {Strong regular and dense generators},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {257--276},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {32},
     number = {3},
     year = {1991},
     mrnumber = {1158111},
     zbl = {0758.18001},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1991__32_3_257_0/}
}