GE, B. On q-congruences involving harmonic numbers. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 69, n. 9, p. 1257–1265, 2017. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1776. Acesso em: 5 dec. 2025.