For citations:

Kovshov V.D., Sidorov M.E., Svetlakova S.V. MODELING OF DYNAMOMETER CARDS IN QUASISTEADY OPERATION MODES OF SUCKER ROD PUMPS. Oil and Gas Studies. 2015;(4):51-56. (In Russ.) https://doi.org/10.31660/0445-0108-2015-4-51-56