JASILIONIS, R. The properties of the equilibrium solutions of one class of the complex problems. Lithuanian Mathematical Journal, [S. l.], v. 8, n. 1, p. 179–184, 1968. DOI: 10.15388/LMJ.1968.20193. Disponível em: https://www.zurnalai.vu.lt/LMJ/article/view/20193. Acesso em: 8 jun. 2025.