TY - BOOK AU - Tsun Wu - Wen TI - Selected Works of SN - 978-981-279-107-8 U1 - 510 PY - 2008/// CY - Estados Unidos PB - World Cientific KW - SELECTED WORKS \\ GEOMETRYÌ N1 - On the product of sphere bundles and the duality theorem modulo two - Les i-carrés dans une varieté grassmanniénne - On universal invariant forms - The out-in complementary principle - Basic priciples of mechanical theorem-proving in elementary geometries ER -