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Author: Sobhani, Reza

• Abdollahi, Alireza; Bagherian, Javad; Ebrahimi, Mahdi; Khatami, Maryam; Shahbazi, Zahra; Sobhani, Reza: On sharp characters of type $\{ -1,0,2 \}$. (English). Czechoslovak Mathematical Journal, vol. 72 (2022), issue 4, pp. 1081-1087