@article{GDZPPN002308630, title = {Mapping Cylinders and Compact Monoids.}, journal = {Mathematische Annalen}, volume = {201}, year = {1973}, pages = {219-240}, zbl = {0264.22004}, url = {http://dml.mathdoc.fr/item/GDZPPN002308630} }
Hofmann, Karl Heinrich; Stralka, Albert. Mapping Cylinders and Compact Monoids.. Mathematische Annalen, Tome 201 (1973) pp. 219-240. http://gdmltest.u-ga.fr/item/GDZPPN002308630/