@article{10_4064_cm_26_1_281_291,
     author = {W. Waliszewski},
     title = {On a coregular division of a differential space by an equivalence relation},
     journal = {Colloquium Mathematicum},
     pages = {281--291},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {1972},
     doi = {10.4064/cm-26-1-281-291},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-26-1-281-291/}
}