%0 Journal Article %T On quadratic Schrödinger equations in R1+1: a normal form approach %A Oh, Seungly %A Stefanov, Atanas %J Journal of the London Mathematical Society %V 86 %N 2 %P 499-519 %@ 0024-6107 %D 2012-10-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve