Cyclic and heteroclinic flows near general static spherically symmetric black holes Ayyesha K. Ahmed, Mustapha Azreg-Aïnou, Mir Faizal and Mubasher Jamil Eur. Phys. J. C, 76 5 (2016) 280 Published online: 19 May 2016 DOI: 10.1140/epjc/s10052-016-4112-y