TY - GEN TY - GEN T1 - A relativist's toolkit : the mathematics of black-hole mechanics A1 - Poisson, Eric LA - eng PP - Cambridge, UK PB - Cambridge University Press YR - 2004 UL - https://kansalliskirjasto.finna.fi/Record/vaari.1724545 SN - 0-521-83091-5 sidottu ER -