Gravitational collapse of spherically symmetric stars in noncommutative general relativityWen Sun, Ding Wang, Naqing Xie, R.B. Zhang and Xiao ZhangEur. Phys. J. C, 69 1-2 (2010) 271-279DOI: https://doi.org/10.1140/epjc/s10052-010-1342-2