Holographic Λ(t)CDM model in a non-flat universeJing-Fei Zhang, Yang-Yang Li, Ying Liu, Sheng Zou and Xin ZhangEur. Phys. J. C, 72 7 (2012) 2077DOI: https://doi.org/10.1140/epjc/s10052-012-2077-z