@ARTICLE{Antas_Stanisław_An, author={Antas, Stanisław}, volume={vol. 48}, number={No 4}, journal={Archive of Mechanical Engineering}, pages={373-397}, howpublished={online}, publisher={Polish Academy of Sciences, Committee on Machine Building}, type={Article}, title={An analytical and numerical method of calculating the surge margin of compressor of turboshaft engine with free power turbine}, URL={http://journals.pan.pl/Content/125346/PDF/7_MECHANICAL_48_2001_4_Antas_An_analytical.pdf}, keywords={turboshaft engine, compressor, surge margin}, }