@article{MM2_1986__57_155184,
     author = {Ulrich Schafft},
     title = {Chernklassen semi-stabiler {Rang-3-Vektorb\"undel} auf kubischen {Dreimannigfaltikgkeiten.}},
     journal = {Manuscripta mathematica},
     pages = {33--48},
     publisher = {mathdoc},
     volume = {57},
     year = {1986},
     zbl = {0612.14015},
     url = {http://geodesic.mathdoc.fr/item/MM2_1986__57_155184/}
}