1. Aftabizadeh A.R., Existence and uniqueness theorems for fourth order boundary value problems, J. Math. Analysis Applic. (to appear).
2. Existence results for boundary value problems of integro-differential equations;Aftabizadeh;Proc. Colloquia on Qualitative Theory of Differential Equations at Bolyai Institute, Szeged, Hungary,1984
3. On the solutions of third order nonlinear boundary value problems;Aftabizadeh,1985
4. AFTABIZADEH A.R. & WIENER J., Existence and uniqueness theorems for third order boundary value problems, Univ. Padova J. (to appear).
5. Monotone methods for integro-differential equations of Volterra type;Kaul;J. Integral Eqns,1984