VIRGIN, Bryce. Watts Spaces and Smooth Maps. The PUMP Journal of Undergraduate Research, [S. l.], v. 4, p. 63–85, 2021. DOI: 10.46787/pump.v4i0.2485. Disponível em: https://journals.calstate.edu/pump/article/view/2485. Acesso em: 3 jul. 2024.