TY - GENERIC DO - 10.20944/preprints202107.0238.v1 UR - http://dx.doi.org/10.20944/preprints202107.0238.v1 TI - An Idea about Negative Cosmic Time in the Big Bang-Big Rip Cosmological Model T2 - Preprints AU - Bakry, Mohamed Abdalla AU - Eid, Ali AU - Alkaoud, A. PY - 2021 DA - 2021/07/12 PB - Preprints