Fogel TB, Lucky SS, Mandy JA, Wellbirth BB. Reducing the PDEs to ODEs through lie vectors using the integrated factors. IRJMIS [Internet]. 2019 Sep. 3 [cited 2026 Apr. 28];6(5):193-20. Available from: https://sloap.org/journals/index.php/irjmis/article/view/732