EXISTENCE AND UNIQUENESS OF SOLUTIONS TO A WEIGHTED LAPLACE EQUATION WITH SPECTRAL PERTURBATION NEAR A PLANE SECTOR VERTEXHamza Medekhel، Rashid Jan، Salah Boulaaras، RAFIK GUEFAIFIA، Ahmed HimadanFractalsالمجلّد 33، (08)2025مقال وصول مفتوح 3
