TY - JOUR A1 - Chekurin, V. A1 - Ponomaryov, Yu. A1 - Khymko, O. PB - Polish Academy of Sciences Branch in Lublin PB - Lviv Polytechnic National University PB - Foundry Research Institute in Cracow L2 - http://journals.pan.pl/Content/85549 PY - 2015 IS - No 3 T1 - A mathematical model for evaluation the efficiency of gas-main pipelines in transient operational modes UR - http://journals.pan.pl/dlibra/publication/edition/85549 T2 - ECONTECHMOD ER -