KRISTYÁN, S. A LEAST-SQUARE COMPUTATION METHOD FOR SMOOTHING AND DIFFERENTIATION OF TWO-DIMENSIONAL DATA Periodica Polytechnica Electrical Engineering, [S. l.], v. 33, n. 1-2, p. 63–70, 1989. Disponível em: https://pp.bme.hu/ee/article/view/4584. Acesso em: 18 may. 2024.