diff --git a/dualizing.tex b/dualizing.tex
index f87024b4b..6815f9844 100644
--- a/dualizing.tex
+++ b/dualizing.tex
@@ -2018,7 +2018,7 @@ \section{Torsion versus complete modules}
 \begin{proposition}
 \label{proposition-torsion-complete}
 \begin{reference}
-This is a special case of \cite[Theorem 1.1]{Porta-Liran-Yekutieli}.
+This is a special case of \cite[Theorem 1.1]{PSY}.
 \end{reference}
 Let $A$ be a ring and let $I \subset A$ be a finitely generated ideal.
 The functors $R\Gamma_Z$ and ${\ }^\wedge$
diff --git a/my.bib b/my.bib
index cb58fb261..74fc16328 100644
--- a/my.bib
+++ b/my.bib
@@ -5884,6 +5884,7 @@ @ARTICLE{PSY
       YEAR = {2014},
     NUMBER = {1},
      PAGES = {31--67},
+      ISSN = {1386-923X},
        URL = {https://doi.org/10.1007/s10468-012-9385-8},
 }
 
@@ -7082,18 +7083,6 @@ @ARTICLE{Yekutieli-Zhang
        URL = {https://dx.doi.org/10.1007/s10468-008-9102-9},
 }
 
-@ARTICLE{Porta-Liran-Yekutieli,
-    AUTHOR = {Porta, Marco and Shaul, Liran and Yekutieli, Amnon},
-     TITLE = {On the homology of completion and torsion},
-   JOURNAL = {Algebr. Represent. Theory},
-    VOLUME = {17},
-      YEAR = {2014},
-    NUMBER = {1},
-     PAGES = {31--67},
-      ISSN = {1386-923X},
-       URL = {https://doi.org/10.1007/s10468-012-9385-8},
-}
-
 @ARTICLE{Yoneda-homology,
     AUTHOR = {Yoneda, Nobuo},
      TITLE = {On the homology theory of modules},