@article{106718, author = {Ji\v r\'\i\ Witzany}, title = {Correspondence between interval $\pi$-equivalences and $Sd$-functions}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {030}, year = {1989}, pages = {175-187}, zbl = {0672.03035}, mrnumber = {995716}, language = {en}, url = {http://dml.mathdoc.fr/item/106718} }
Witzany, Jiří. Correspondence between interval $\pi$-equivalences and $Sd$-functions. Commentationes Mathematicae Universitatis Carolinae, Tome 030 (1989) pp. 175-187. http://gdmltest.u-ga.fr/item/106718/
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