فهرست مقالات Mong-Ampere equation Lie point symmetry Partial Differential Equations Conservation laws دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Lie Symmetries, Self-Adjointness, and Conservation Laws of the Mong-Ampere Equation Zahra Momennezhad Mahdi Najafikhah