%0 Journal Article %A Guardo, Elena %A Harbourne, Brian %A Tuyl, Adam Van %T Symbolic Powers Versus Regular Powers of Ideals of General Points in P1 × P1 %J Canadian journal of mathematics %D 2013 %P 823-842 %V 65 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2012-045-3/ %R 10.4153/CJM-2012-045-3 %F 10_4153_CJM_2012_045_3