摘要
An existence and uniqueness of solutions for boundary value problemsare established, by employing a priori estimates for all solutions and the Schau-der fixed point theorem. Some of these results extend earlier results due to Usmani (1979), Yang (1988), and Pei (1997).
An existence and uniqueness of solutions for boundary value problemsare established, by employing a priori estimates for all solutions and the Schau-der fixed point theorem. Some of these results extend earlier results due to Usmani (1979), Yang (1988), and Pei (1997).
基金
The work was supported by NNSF of China