@article{MM2_1994__85_3-4_156005,
     author = {Nicolae Anghel},
     title = {A {Note} on a {Chern} character on the circle.},
     journal = {Manuscripta mathematica},
     pages = {25--32},
     publisher = {mathdoc},
     volume = {85},
     number = {3-4},
     year = {1994},
     zbl = {0818.46078},
     url = {http://geodesic.mathdoc.fr/item/MM2_1994__85_3-4_156005/}
}