@article{RSMUP_2001__106__143_0,
     author = {Ballico, E. and Fontanari, C.},
     title = {On the existence of special divisors on singular curves},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {143--151},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {106},
     year = {2001},
     mrnumber = {1876217},
     zbl = {02216801},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_2001__106__143_0/}
}