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