Volume XXVIII, Issue 1, 2018 The Theory of Finitely Supported Structures and Choice Forms, pages 1–38 Authors: A. Alexandru Abstract | References | BibTeX | Full Text (PDF) Instruction Sequences Expressing Multiplication Algorithms, pages 39-66 Authors: J.A. Bergstra, C.A. Middelburg Abstract | References | BibTeX | Full Text (PDF) The Reticulation of a Universal Algebra, pages 67–113 Authors: G. Georgescu, C. Mureșan Abstract | References | BibTeX | Full Text (PDF) (Skew) Filters in Residuated Skew Lattices, pages 115–140 Authors: R. Koohnavard, A. Borumand Saeid Abstract | References | BibTeX | Full Text (PDF) On Partition Metric Space, Index Function, and Data Compression, pages 141–156 Authors: D.A. Simovici, R. Sizov Abstract | References | BibTeX | Full Text (PDF)