TRĄBKA-WIĘCŁAW, Mamoru Nunokawa, Janusz Sokół, Katarzyna. Some Remarks on Close-to-Convex and Strongly Convex Functions. Mathematica Scandinavica, Berkeley, CA, United States, v. 116, n. 2, p. 309–319, 2015. DOI: 10.7146/math.scand.a-21165. Disponível em: https://journals.msp.org/mscand/article/view/387. Acesso em: 24 jul. 2026.