k. shaakir, L. (2011). J – Class composition operators. , 16(4), 273-279.
Laith k. shaakir. "J – Class composition operators". , 16, 4, 2011, 273-279.
k. shaakir, L. (2011). 'J – Class composition operators', , 16(4), pp. 273-279.
k. shaakir, L. J – Class composition operators. , 2011; 16(4): 273-279.


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