D.B. DHAIGUDE; D.P. PATIL. Radial symmetry of positive solutions for nonlinear elliptic boundary value problems. Malaya Journal of Matematik, India, v. 3, n. 01, p. 23–29, 2015. DOI: 10.26637/mjm301/003. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/448. Acesso em: 23 nov. 2024.