Zheldybayeva Б, Koshchanova Г, Amangosova А, Dzhugembayeva Б, Turebayeva Г, Kasymkhanova А, Syrbaeva Ш, Kainbayeva Л, Mukushev Б. Harmonic analysis of a periodic electrical signal using the Mathcad package. Rec.Contr.Phys. [Internet]. 2025 Mar. 20 [cited 2026 Apr. 1];96(1):77-8. Available from: https://bph.kaznu.kz/index.php/zhuzhu/article/view/1942