@article{10_4064_cm_46_2_243_255,
     author = {Grzegorz Andrzejczak},
     title = {On regular tangent covectors, regular differential forms, and smooth vector fields on a differential space},
     journal = {Colloquium Mathematicum},
     pages = {243--255},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {1982},
     doi = {10.4064/cm-46-2-243-255},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-46-2-243-255/}
}