Martchenko, Borys, Bogdana Mlynko, and Mykhaylo Fryz. “MATHEMATICAL MODEL OF PHOTOPLETYSMIC SIGNAL AS THE BASE FOR INFORMATIONAL PARAMETERS IDENTIFICATION”. International Journal of Computing 5, no. 2 (August 1, 2014): 73-82. Accessed May 5, 2024. https://computingonline.net/computing/article/view/399.