  In a recent paper V.Zavaritsky has argued that interlayer ($c-$ axis)
current-voltage characteristics of high temperature superconductors (HTSC) are
Ohmic, and has claimed to disprove all findings of intrinsic tunnelling
spectroscopy, as well as existence of the interlayer tunnelling and the
intrinsic Josephson effect in HTSC, as such.
  In this comment I demonstrate, that the genuine interlayer current-voltage
characteristics are strongly non-Ohmic, which undermines the basic postulate
and the logical construction of the criticized paper.

Superconductivity