updating manual for version 4.1

Author: Leo

doc/HeLP.bib

@@ -344,11 +344,21 @@ @article {EiMa18
 @article{EiseleMargolisDefect1,
     AUTHOR = {Eisele, F. and Margolis, L.},
      TITLE = {Units in blocks of defect 1 and the Zassenhaus Conjecture},
-   JOURNAL = {preprint, arxiv.org/abs/arXiv:2212.06634},
-      YEAR = {2022},
-     PAGES = {29 pages}
+   JOURNAL = {Revista Matematica Complutense},
+      YEAR = {2024},
+      NOTE = {https://doi.org/10.1007/s13163-024-00513-5},
+     PAGES = {38 pages}
 }
 
+@article {EiseleMargolisMod4,
+    AUTHOR = {Eisele, Florian and Margolis, Leo},
+     TITLE = {Units in group rings and blocks of Klein four or dihedral defect},
+   JOURNAL = {Adv. Math.},
+  FJOURNAL = {Bulletin of the London Mathematical Society},
+      NOTE = {https://doi.org/10.1112/blms.70164},
+      YEAR = {2025},
+     PAGES = {1--20}
+}
 
 @article {Gildea,
     AUTHOR = {Gildea, J.},