Planar and non-planar nucleus-acoustic shock structures in self-gravitating degenerate quantum plasma systemsD. M. S. Zaman, M. Amina, P. R. Dip and A. A. MamunEur. Phys. J. Plus, 132 11 (2017) 457DOI: https://doi.org/10.1140/epjp/i2017-11746-7