@article{RSMUP_2009__121__201_0,
     author = {Rossi, Maria Evelina and Valla, Giuseppe},
     title = {On the {Chern} {Number} of a {Filtration}},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {201--222},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {121},
     year = {2009},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_2009__121__201_0/}
}