@article{202312.0886, doi = {10.20944/preprints202312.0886.v1}, url = {https://doi.org/10.20944/preprints202312.0886.v1}, year = 2023, month = {December}, publisher = {Preprints}, author = {Srecko Šorli}, title = {Re-examination of Penrose’s Space-Time Singularity and the Origin of Protons in Astrophysical Jets}, journal = {Preprints} }