A. Chubykalo, A. Espinoza, V. Kuligin, and M. Korneva. “ONCE AGAIN ABOUT THE PROBLEM ‘4/3’ ”. International Journal of Engineering Technologies and Management Research 6, no. 6 (June 30, 2019): 178-196. Accessed January 26, 2022. https://www.granthaalayahpublication.org/ijetmr-ojms/index.php/ijetmr/article/view/18_IJETMR19_A07_1129.