2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/152925We show that if $X$ is a quasi-Banach space with trivial dual then every continuous function $f:[0,1]\to X$ has a primitive, answering a question of M.M. Popov.Functional Analysis46AThe existence of primitives for continuous functions in a quasi-Banach spacetext