GOLOVKIN, B. A substance with negative mass. Annals of Mathematics and Physics, [S. l.], v. 6, n. 2, p. 119–125, 2023. DOI: 10.17352/amp.000091. Disponível em: https://www.peertechzpublications.us/amp/article/view/AMP-6-191. Acesso em: 10 jan. 2025.