Pais, A.A.PaisWu, TtTtWuTSUNG-TSONG WU2020-04-282020-04-2819640022-2488https://scholars.lib.ntu.edu.tw/handle/123456789/487221Singular Potentials + Peratization .2.journal article10.1063/1.1704181WOS:A19645658B00011