hassan, a., fouad, a., & el gindim salah. (1965). on the matrix method for solving linear- differential eqs. National Planning Institute.
Chicago-viite (17. p.)hassan, ahmed, afaf fouad, ja el gindim salah. On the Matrix Method for Solving Linear- Differential Eqs. cairo: National Planning Institute, 1965.
MLA-viite (9. p.)hassan, ahmed, et al. On the Matrix Method for Solving Linear- Differential Eqs. National Planning Institute, 1965.
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