TERPIGOREVA, V. Extremum problems in some subclasses of analytical functions of a limited type. Lithuanian Mathematical Journal, [S. l.], v. 10, n. 1, p. 171–187, 1970. DOI: 10.15388/LMJ.1970.20843. Disponível em: https://www.zurnalai.vu.lt/LMJ/article/view/20843. Acesso em: 3 may. 2025.