by Forouzanfar, AM, Khorshidvandpour, S, Bahmani, Z
Published in Bibechana (31.10.2013)

by Bahmani, Z, Khorshidvandpour, S
Published in Advances and applications in mathematical sciences (01.07.2013)

by AM Forouzanfar, S Khorshidvandpour, Z Bahmani
Published in Bibechana (01.10.2013)

by Khorshidvandpour, S, Mosaffa, M, Mousavi, S.M
Published in Scientia magna (01.06.2013)