%0 Journal Article %T Elliptic‐type gradient estimate for Schrödinger equations on noncompact manifolds %A Ruan, Qihua %J Bulletin of the London Mathematical Society %V 39 %N 6 %P 982-988 %@ 0024-6093 %D 2007-12-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve