ERRATUM: STRANGE STARS AT VACUUM PRESSURE DEPENDENT ON QUARK DENSITY [Proc. YSU A: Phys. Math. Sci. 51 (2017), 71-76]: $ \\ $ ORIGINAL ARTICLE: $ \href{https://doi.org/10.46991/PYSU:A/2017.51.1.071}{\text{Proc. YSU A: Phys. Math. Sci. 51 (2017), 71-76}} $ - Vartanyan, Yu.L.; Grigoryan, A.K.; Shahinyan, H.A. (Proceedings of the YSU A: Physical and Mathematical Sciences, 2018)