[1] Akhavin M., Shirazi F. Ayatollah Zadeh, Dikranjan D., Giordano Bruno A., Hosseini A.: 
Algebraic entropy of shift endomorphisms on abelian groups. Quaest. Math. 32 (2009), 529–550. 
DOI 10.2989/QM.2009.32.4.3.961 | 
MR 2598205[2] Shirazi F. Ayatollah Zadeh: Dynamical system associated with an onto map $\lambda:A\to A$. a talk in “International Conference on Topology and its Applications”, July 6-11, 2009, Department of Mathematics, Hacettepe University, Ankara, Turkey.
[3] Shirazi F. Ayatollah Zadeh, Dikranjan D.: Set-theoretical entropy: A tool to compute topological entropy. Proceedings ICTA 2011, Islamabad, Pakistan, July 4-10, 2011, Cambridge Scientific Publishers, 2012, pp. 11–32.
[4] Shirazi F. Ayatollah Zadeh, Golestani N.: 
Functional Alexandroff spaces. Hacet. J. Math. Stat. 40 (2011), no. 4, 515–522. 
MR 2884331[5] Shirazi F. Ayatollah Zadeh, Golestani N.: More about functional Alexandroff topological spaces. Scientia Magna 6 (2010), no. 4, 64–69.
[6] Shirazi F. Ayatollah Zadeh, Kabir K., Heidari Ardi F.: 
A note on shift theory. Proceedings of ITES-2007, Math. Pannon. 19 (2008), no. 2, 187–195. 
MR 2553731[7] Shirazi F. Ayatollah Zadeh, Nazarian Sarkooh J., Taherkhani B.: 
On Devaney chaotic generalized shift dynamical systems. Studia Sci. Math. Hungar. 50 (2013), no. 4, 509–522. 
MR 3187831[8] Dikranjan D., Giordano Bruno A.: 
Topological entropy and algebraic entropy for group endomorphisms. Proceedings ICTA 2011, Islamabad, Pakistan, July 4-10, 2011, Cambridge Scientific Publishers, 2012, pp. 133–214. 
Zbl 1300.54002[11] Engelking R.: 
General Topology. translated from the Polish by the author, 2nd. edition, Sigma Series in Pure Mathematics, 6, Heldermann, Berlin, 1989. 
MR 1039321 | 
Zbl 0684.54001[13] Giordano Bruno A., Virili S.: 
String numbers of abelian groups. J. Algebra Appl. 11 (2012), no. 4, 125–161. 
MR 2959431 | 
Zbl 1268.20060