@article{10_4064_cm_55_1_45_54,
     author = {Jaros{\l}aw Wr\'oblewski},
     title = {Canonical differential structures of regular covectors},
     journal = {Colloquium Mathematicum},
     pages = {45--54},
     publisher = {mathdoc},
     volume = {55},
     number = {1},
     year = {1987},
     doi = {10.4064/cm-55-1-45-54},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-55-1-45-54/}
}