TY - JOUR AU - Chinea Trujillo, Francisco Javier PY - 1998 DO - 10.1088/0264-9381/15/2/011 SN - 0264-9381 UR - https://hdl.handle.net/20.500.14352/59446 T2 - Classical and quantum gravity AB - A new first integral for the equations corresponding to twisting type-N vacuum gravitational fields with two non-commuting Kilting vectors is introduced. A new reduction of the problem to a complex second-order ordinary differential equation is given.... LA - eng M2 - 367 PB - IOP Publishing Ltd TI - New first integral for twisting type-N vacuum gravitation fields with two non-commuting Killing vectors TY - journal article VL - 15 ER -