FARKAS, H.; NOSZTICZIUS, Z. A VARIATIONAL METHOD FOR SOLVING HEAT CONDUCTIONAL PROBLEMS. Periodica Polytechnica Electrical Engineering, [S. l.], v. 21, n. 3, p. 239–242, 1977. Disponível em: https://pp.bme.hu/ee/article/view/4891. Acesso em: 27 dec. 2024.