SLIESORAITIENĖ, R. Analogue of the Mahler — Sprindžuk’s theorem for polynomials of the second degree in two variables. Lithuanian Mathematical Journal, [S. l.], v. 9, n. 3, p. 627–634, 1969. DOI: 10.15388/LMJ.1969.20807. Disponível em: https://www.journals.vu.lt/LMJ/article/view/20807.. Acesso em: 7 may. 2024.