Ou Xie and Zhenyu Zhao, Identifying an Unknown Source in the Poisson Equation by a Modified Tikhonov Regularization Method. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. August 2012, vol. 68(8). 1128 - 1132 [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/892.