Comment on “Bilinear form, solitons, breathers and lumps of a 
-dimensional generalized Konopelchenko–Dubrovsky–Kaup–Kupershmidt equation in ocean dynamics, fluid mechanics and plasma physics” [Eur. Phys. J. Plus (2020) 135:272]
, and
Eur. Phys. J. Plus, 135 8 (2020) 631
Published online: 06 August 2020
DOI: 10.1140/epjp/s13360-020-00538-x