Nakhla, A. F., & Yousef, M. Y. (1969). Matrix Inversion: ( Elimination Methods ). The Institute of National Planning.
Chicago-čujuhus (17. p.)Nakhla, Afaf Fouad, juo Mohamed Yehia Yousef. Matrix Inversion: ( Elimination Methods ). Cairo: The Institute of National Planning, 1969.
MLA-čujuhus (9. p.)Nakhla, Afaf Fouad, juo Mohamed Yehia Yousef. Matrix Inversion: ( Elimination Methods ). The Institute of National Planning, 1969.
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