@article{{IJNI-Math}{}, author = {Hussein, M., Lesnic, D., Ivanchov, M.}, title = { Identification of a Heterogeneous Orthotropic Conductivity in a Rectangular Domain}, journal = {International Journal of Novel Ideas: Mathematics (No more publication since 2019)}, volume = {1}, year = {2017}, url = {https://sci-en-tech.com/IJNI/index.php/Math/article/view/27} }