  We prove that the bound-state momentum-space wave function $\phi(p)$ for the
quasi-one-dimensional hydrogen atom as used by Olendski in two recent
publications (Eur. J. Phys.38, 038001(2017), arXiv : 1703.10042v1, 26 Mar2017)
is incorrect. Further, we reconfirm that the wave function used by us in Eur.
J.. Phys. 38, 025103 is correct.
