TY - JOUR AU - Chinea Trujillo, Francisco Javier PY - 1983 DO - 10.1103/PhysRevLett.50.221 SN - 0031-9007 UR - https://hdl.handle.net/20.500.14352/64979 T2 - Physical review letters AB - Vector Bäcklund transformations which relate solutions of the vacuum Einstein equations having two commuting Killing fields are introduced. Such transformations generalize those found by Pohlmeyer in connection with the nonlinear δ model. A simple... LA - eng M2 - 221 PB - American Physical Society KW - Physics KW - Multidisciplinary TI - New backlund-transformations and superposition principle for gravitational-fields with symmetries TY - journal article VL - 50 ER -