CHIGIRINSKY, V.; NAUMENKO, O. Invariant differential generalizations in problems of the elasticity theory as applied to polar coordinates. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 5, n. 7 (107), p. 56–73, 2020. DOI: 10.15587/1729-4061.2020.213476. Disponível em: https://journals.uran.ua/eejet/article/view/213476. Acesso em: 28 jul. 2024.