TY - JOUR AU - G. I. Kurbatova AU - E. M. Vinogradova AU - V. A. Klemeshev TI - Analysis of simplified gas transportation models. Calculation of the gas leak location in a pipeline JO - Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ PY - 2022 SP - 239 EP - 252 VL - 18 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSPUI_2022_18_2_a4/ LA - ru ID - VSPUI_2022_18_2_a4 ER -