TY  - JOUR
AU  - Carlo Alberto Mantica
AU  - Luca Guido Molinari
TI  - Simple conformally recurrent space-times are conformally recurrent pp-waves
JO  - Colloquium Mathematicum
PY  - 2017
SP  - 9
EP  - 20
VL  - 150
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm7002s-11-2016/
DO  - 10.4064/cm7002s-11-2016
LA  - en
ID  - 10_4064_cm7002s_11_2016
ER  -