Vasylenko, Anton Oleksandrovych, Vysotskii Vladimir, and Vassilenko Valentina. 2013. “Heat Transfer Equation With Delay for Media With Thermal Memory”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 12 (1):160-66. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/1288.