@article{RSMUP_2008__120__227_0,
     author = {Konno, Kazuhiro},
     title = {Relations in the canonical algebras on surfaces},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {227--261},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {120},
     year = {2008},
     mrnumber = {2492659},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_2008__120__227_0/}
}