BALČIŪNAS, Aidas. A transformation formula with primitive character. Lietuvos matematikos rinkinys, [S. l.], v. 54, n. A, p. 6–11, 2013. DOI: 10.15388/LMR.A.2013.04. Disponível em: https://www.journals.vu.lt/LMR/article/view/14875.. Acesso em: 17 aug. 2024.