geometry and nonlinear differential equations (Brunswich Maine, 1984); contemporary Math., 49 (1986), 51--61. Harmonic Maps from the Two-Sphere to a Complex Grassmann Manifold是什么意思_geometry and nonlinear differential equations (Brunswich Maine, 1984); contemporary Math., 49 (1986), 51--61. Harmonic Maps from the Two-Sphere to a Complex Grassmann Manifold在线翻译_英语_读音_用法_例句