2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/91607The Poincare's period of particle oscillations between wells is obtained in double-well potential. The dependencies of oscillation period on transmission coefficient on distance between levels are obtained. The cases of squared potentials and some potentials having rounded off forms are considered.LaTeX v.2e, 21 pages, 5 figuresQuantum PhysicsNuclear Theorytext