Якунин, А. В. “Nonstationary Current in a Main Gas Pipeline at Longitudinal Seismic Influence”. Bulletin of V.N. Karazin Kharkiv National University, Series «Mathematical Modeling. Information Technology. Automated Control Systems», Vol. 30, June 2016, pp. 93-108, https://periodicals.karazin.ua/mia/article/view/6570.