1.
Javadi H, Forouzbakhsh F, Jahanshir A. Definition of singularity due to Newton’s second law counteracting gravity. Sci. J. Pure Appl. Sci. [Internet]. 2013Mar.30 [cited 2024Jul.23];2(3):116-24. Available from: http://sjournals.com/index.php/sjpas/article/view/989