Pham V-H, Bui T-A, Nguyen T-D. Study to Improve the Spindle Bearing Stiffness of Medium External Cylindrical Grinding Machines Based on Numerical Simulation of Hydrostatic Lubrication. old [Internet]. 2018 Nov. 15 [cited 2025 Aug. 2];(130B):17-23. Available from: https://jst.vn/index.php/old/article/view/741