KALIS, H. and KANGRO, I. (2021) Effective Finite Difference and Conservative Averaging Methods for Solving Problems of Mathematical Physics. Rēzekne, Latvia: Rēzeknes Tehnoloģoju akadēmija. Available at: https://books.rta.lv/index.php/RTA/catalog/book/24 (Accessed: 8 September 2024).