2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/99579It is demonstrated that not only gravity, but also neutrostriction forces due to optical potential created by coherent elastic neutron-neutron scattering can hold a neutron star together. The latter forces can be stronger than gravitational ones. The effect of these forces on mass, radius and structure of the neutron star is estimated.11 pages 4 fig added Updated historical part of paper. Communications with Dr. BlumeAstrophysicstext