VRDOLJAK, B. POSITIVE RADIAL, SOLUTIONS OF CERTAIN SEMILINEAR ELLIPTIC EQUATIONS IN ANNULAR DOMAINS. Matematichki Bilten, [S. l.], v. 19, n. 1, p. 25–36, 1995. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1553. Acesso em: 14 aug. 2026.