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-rw-r--r--buch/papers/ellfilter/tikz/elliptic_transform2.tikz.tex2
1 files changed, 1 insertions, 1 deletions
diff --git a/buch/papers/ellfilter/tikz/elliptic_transform2.tikz.tex b/buch/papers/ellfilter/tikz/elliptic_transform2.tikz.tex
index 20c2d82..31c40dc 100644
--- a/buch/papers/ellfilter/tikz/elliptic_transform2.tikz.tex
+++ b/buch/papers/ellfilter/tikz/elliptic_transform2.tikz.tex
@@ -4,7 +4,7 @@
\def\nn{2}
\def\a{2.5}
-\begin{tikzpicture}[>=stealth', auto, node distance=2cm, scale=1.2]
+\begin{tikzpicture}[>=stealth', auto, node distance=2cm, scale=1.2, thick]
\tikzstyle{zero} = [draw, circle, inner sep =0, minimum height=0.15cm]
\tikzstyle{dot} = [fill, circle, inner sep =0, minimum height=0.1cm]