AMIR, Amir Kamal.
 The Centre of Some Skew Polynomial Rings.
<strong>Jurnal ILMU DASAR</strong>, [S.l.], v. 10, n. 2, p. 212-218, july 2009.
ISSN 2442-5613.
Available at: &lt;<a href="https://jurnal.unej.ac.id/index.php/JID/article/view/151" target="_new">https://jurnal.unej.ac.id/index.php/JID/article/view/151</a>&gt;. Date accessed: 07 may 2024.