@article{ARM_1995__31_1_a0,
     author = {Mikulski, W. M.},
     title = {Natural functions on $T\sp *T\sp {(r)}$ and $T\sp *T\sp {r\ast}$},
     journal = {Archivum mathematicum},
     pages = {1--7},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1995},
     mrnumber = {1342370},
     zbl = {0837.53021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1995__31_1_a0/}
}