%0 Journal Article %A Laface, Antonio %A Ugaglia, Luca %T Quasi-Homogeneous Linear Systems on P2 with Base Points of Multiplicity 5 %J Canadian journal of mathematics %D 2003 %P 561-575 %V 55 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2003-023-9/ %R 10.4153/CJM-2003-023-9 %F 10_4153_CJM_2003_023_9