EIGENVALUES AND EIGENFUNCTIONS OF NON-LOCAL BOUNDARY VALUE PROBLEMS OF THE STURM-LIOUVILLE EQUATION Vol. 5(1) Jan. 2017, No. 18, pp. 179-186 A. M. A. EL-SAYED, Z. F. A. EL-RAHEEM AND N. A. O. BUHALIMA

Document Type : Regular research papers