Nhu PT, Lan NTQ, Hà HM. Determining conditions preserving information in smothing of a spectrum of noisy electro cardio graphy. J. Comput. Sci. Cybern. [Internet]. 2012 Oct. 18 [cited 2025 Apr. 13];28(2):171-82. Available from: https://vjs.ac.vn/index.php/jcc/article/view/2498