ADAMS, Ashleigh; HALL, Carole; STUCKY, Eric. Classifications of ℓ-Zero-Sumfree Sets. The PUMP Journal of Undergraduate Research, [S. l.], v. 2, p. 179–198, 2019. DOI: 10.46787/pump.v2i0.1805. Disponível em: https://journals.calstate.edu/pump/article/view/1805. Acesso em: 3 jul. 2024.