@article{10_21136_CMJ_1978_101530,
     author = {Fiby, Rudolf},
     title = {The structure of tangentors and their morphisms},
     journal = {Czechoslovak Mathematical Journal},
     pages = {272--285},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {1978},
     doi = {10.21136/CMJ.1978.101530},
     mrnumber = {0478197},
     zbl = {0393.58002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1978.101530/}
}