by Amini, A., Amini, B., Momtahan, E.
Published in Communications in algebra (02.08.2024)

by Momtahan, E.
Published in Communications in algebra (15.12.2010)

by M. Abadi, N. Noushadi, E. Momtahan
Published in Nashrīyah-i ʻIlmī pizhūhishī-i fannāvarī-i āmūzish (01.12.2018)

by E. Momtahan
Published in Journal of Mathematical Extension (01.03.2012)

by E. Momtahan
Published in Journal of Mathematical Extension (01.09.2011)

by Amini, A, Amini, B, Momtahan, E
Year of Publication 15.01.2024

by Azadi, H., Henriksen, M., Momtahan, E.
Published in Acta mathematica Hungarica (01.07.2009)

by Amini, Afshin, Amini, Babak, Momtahan, Ehsan, Shirdareh Haghighi, Mohammad Hassan
Published in Acta mathematica Hungarica (01.02.2012)