LAURINČIKAS, Antanas. A note on functions of exponential type. Lietuvos matematikos rinkinys, [S. l.], v. 39, n. III, p. 56–61, 1999. DOI: 10.15388/LMD.1999.35470. Disponível em: https://www.journals.vu.lt/LMR/article/view/35470.. Acesso em: 11 sep. 2024.