Ivanauskas, Feliksas, Valdas Laurinavičius, Mifodijus Sapagovas, and Anatolij Neciporenko. “Reaction–diffusion Equation With Nonlocal Boundary Condition Subject to PID-Controlled Bioreactor”. Nonlinear Analysis: Modelling and Control 22, no. 2 (March 15, 2017): 261–272. Accessed April 20, 2025. https://www.zurnalai.vu.lt/nonlinear-analysis/article/view/13404.