Determination of conductivity in a heat equation. Wang, Ping; Zheng, Kewang — 2000 International Journal of Mathematics and Mathematical Sciences
An inverse problem in a parabolic equation. Li, Zhilin; Zheng, Kewang — 1997 Electronic Journal of Differential Equations (EJDE) [electronic only]
Determination of the source/sink term in a heat equation. Wang, Ping; Zheng, Kewang — 1999 Electronic Journal of Differential Equations (EJDE) [electronic only]