N. Nassir, S., G. Naoum, A. (2007). Pseudo – Normal Operators. , 48(1), 178-181.
Sadiq N. Nassir; Adil G. Naoum. "Pseudo – Normal Operators". , 48, 1, 2007, 178-181.
N. Nassir, S., G. Naoum, A. (2007). 'Pseudo – Normal Operators', , 48(1), pp. 178-181.
N. Nassir, S., G. Naoum, A. Pseudo – Normal Operators. , 2007; 48(1): 178-181.


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