TY - RPRT TI - Generalized spheroidal wave equations from an image-potential method for surface effects on impurity states. AU - Y Shan AU - TF Jiang AU - YC Lee PY - 1985 DO - 10.1103/physrevb.31.5487 UR - https://pubmed.ncbi.nlm.nih.gov/9936523/ ID - 9936523 ER -