OHYA, Satoshi. ALGEBRAIC DESCRIPTION OF SHAPE INVARIANCE REVISITED. Acta Polytechnica, [S. l.], v. 57, n. 6, p. 446–453, 2017. DOI: 10.14311/AP.2017.57.0446. Disponível em: https://ojst.is.cvut.cz/ojs/index.php/ap/article/view/4589.. Acesso em: 25 may. 2025.