2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/82915Few days ago V.D. Efros submitted a preprint to nucl-th containing criticisms of our recent research activity on bound and scattering states of A=3, 4 nucleons. As a consequence, we are forced to examine the essence of the controversy and of the comments contained in that preprint. These are the motivations of the present paper.4 pages, LaTeXNuclear Theorytext