%0 Journal Article %A Guardo, Elena %A Tuyl, Adam Van %T Fat Points in P1 × P1 and Their Hilbert Functions %J Canadian journal of mathematics %D 2004 %P 716-741 %V 56 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2004-033-0/ %R 10.4153/CJM-2004-033-0 %F 10_4153_CJM_2004_033_0