Transition from accelerated to decelerated regimes in JT and CGHS cosmologies M. H. Christmann, F. P. Devecchi, G. M. Kremer and C. M. Zanetti Europhys. Lett., 67 5 (2004) 728-733 Published online: 01 August 2004 DOI: 10.1209/epl/i2004-10130-9