1. Ashraf M., Mohammed G.:
$$(1+2u)$$
(
1
+
2
u
)
-constacyclic codes over
$$\mathbb{Z}_4+u\mathbb{Z}_4$$
Z
4
+
u
Z
4
.
arXiv:1504.03445v1
.
2. Aydin N., Asamov T.: A database of
$$\mathbb{Z}_4$$
Z
4
codes. J. Comb. Inf. Syst. Sci. 34, 1–12 (2009).
3. Aydin N., Dertli A., Cengellenmis Y.: Cyclic and constacyclic codes over
$$\mathbb{Z}_4+w\mathbb{Z}_4$$
Z
4
+
w
Z
4
. Pre-print.
4. Bandi R., Bhaintwal M.: Self dual codes over
$$\mathbb{Z}_4+w\mathbb{Z}_4$$
Z
4
+
w
Z
4
. Discret. Math. Alg. Appl. 7, 1550014 (2015).
5. Bandi R., Bhaintwal M.: Negacyclic codes over
$$\mathbb{Z}_4+u\mathbb{Z}_4$$
Z
4
+
u
Z
4
.
arXiv:1412.3751v1
.