COMSOL MULTIPHYSICS DASTURIDA ZARRACHA HARAKATINI EULER–LAGRANGE MODELI YORDAMIDA TADQIQ QILISH. jmsi [Internet]. 2026 Jun. 8 [cited 2026 Jun. 17];5(6):320-3. Available from: https://ijmri.de/index.php/jmsi/article/view/7953