Information SciencesVolume 556, May 2021, Page iiiPaul Wang: Pro MemoriaAuthor links open overlay panelWitold PedryczShow moreShareCitehttps://doi.org/10.1016/S0020-0255(21)00221-8Previous article in issueNext article in issueRecommended articlesCited by (0)View AbstractCopyright © 2021 Elsevier Inc. All rights reserved.