1. LIU Gao-lian. Variational principles and generalized variational principles for the hybrid aerodynamic problem of airfoil cascades on an arbitrary stream sheet of revolution(I)[J].Scientia Sinica, 1980,23(10):1339–1347.
2. LIU Gao-lian. Variational principles and generalized variational principles for hybrid aerodynamic problem of airfoil cascades on an arbitrary stream sheet of revolution(II)[J].Chinese J Engineering of Thermodynamics, 1981,2(4):335–342. (in Chinese)
3. LIU Gao-lian, YAO Zheng. Variational principles and generalized variational principles for hybrid aerodynamic problem of airfoil cascades on an arbitrary stream sheet of revolution(III)[J].Chinese J Engineering of Thermodynamics, 1986,7(4):329–331. (in Chinese)
4. LIU Gao-lian. A united theory of hybrid problems for fully 3-D incompressible rotor-flow based on variational principles with variable domain[J].ASME J Engineering for GT & Power, 1986,108 (2):254–258.
5. LIU Gao-lian. Momentum function and its applications in the aerodynamic inverse and hybrid problems of airfoil cascades on an arbitrary stream sheet of revolution [J].Chinese J Engineering of Thermodynamics, 1982,3(2):138–144. (in Chinese)