Authors: KOLASSIS C LUDWIG G

Citation: C. Kolassis et G. Ludwig, SPACE-TIMES WITH A 2-DIMENSIONAL GROUP OF CONFORMAL MOTIONS, International journal of modern physics A, 11(5), 1996, pp. 845-861

Authors: KOLASSIS C

Citation: C. Kolassis, VACUUM SPACETIMES WITH A 2-DIMENSIONAL ORTHOGONALLY TRANSITIVE GROUP OF HOMOTHETIC-MOTIONS, General relativity and gravitation, 28(7), 1996, pp. 787-804

Authors: KOLASSIS C GRIFFITHS JB

Citation: C. Kolassis et Jb. Griffiths, PERFECT FLUID SPACE-TIMES WITH A 2-DIMENSIONAL ORTHOGONALLY TRANSITIVE GROUP OF HOMOTHETIC-MOTIONS, General relativity and gravitation, 28(7), 1996, pp. 805-832

Authors: KOLASSIS C LUDWIG G

Citation: C. Kolassis et G. Ludwig, THE GHP CONFORMAL KILLING EQUATIONS AND THEIR INTEGRABILITY CONDITIONS, WITH APPLICATION TO TWISTING TYPE-N VACUUM SPACETIMES, General relativity and gravitation, 25(6), 1993, pp. 625-651