2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/36705A previous work on the Ermakov approach for empty FRW minisuperspace universes of Hartle-Hawking factor ordering parameter Q=0 is extended to the Q not zero cases5 pages, 4 figs embedded, parallel talk at 3rd Workshop of DGFM/SMF, Nov. 28 - Dec. 3/99, Leon, Gto, MxGeneral Relativity and Quantum Cosmologytext