Reply to comments by X.-L. Xu on "Exact solution for the plane problem in piezoelectric materials with an elliptic or a crack", International Journalof Solids and Structures, Vol. 36, No. 17, pp. 2527-2540 (1999) by Cun-Fa Gao and Wei-Xun Fan
Cf. Gao et Wx. Fan, Reply to comments by X.-L. Xu on "Exact solution for the plane problem in piezoelectric materials with an elliptic or a crack", International Journalof Solids and Structures, Vol. 36, No. 17, pp. 2527-2540 (1999) by Cun-Fa Gao and Wei-Xun Fan, INT J SOL S, 37(42), 2000, pp. 6175-6176