%0 Journal Article %T Learning-based Robust and Secure Transmission for Reconfigurable Intelligent Surface Aided Millimeter Wave UAV Communications %A Guo, Xufeng %A Chen, Yuanbin %A Wang, Ying %A , %J IEEE Wireless Communications Letters %P 1-1 %@ 2162-2337 %D 2021-01-01 %I Institute of Electrical and Electronics Engineers (IEEE) %~ DeepDyve