PANDEY, G. S. A CONVOLUTION STRUCTURE FOR ALMOST INVARIANT OPERATORS. Periodica Polytechnica Electrical Engineering, [S. l.], v. 22, n. 2-3, p. 119–123, 1978. Disponível em: https://pp.bme.hu/ee/article/view/4859. Acesso em: 19 may. 2024.