[ES] El trabajo que presentamos tiene tres supuestos, todos ellos referidos a la Lengua y la Literatura de la Suiza italiana. Iniciamos con un estudio sobre Francesco Chiesa, considerado el autor m?s importante de la ?poca de entre guerras. La obra que nos ocupa es Tempo di Marzo, tratando de analizar un estudio filol?gico desde el punto de vista de la interferencia ling??stica. En un segundo momento nos detenemos a analizar el pluriling?ismo y la diversidad cultural, para finalizar con un an?lisis del pasado a conocer la problem?tica de la Lengua y la Literatura del Cant?n del Ticino significando diversidad dentro de la unidad.

[EN] The present article can be divided into three parts, all of them dealing with the Language and the Literature of Italian-Speaking Switzerland. We begin with a brief study of Francesco Chiesa, considered the most important author of the inter-war years. The work in question is Tempo di Marzo of with a philological analysis is made, from the point of view of linguistics interference. In the second part we analyze the work?s mult-linguistic influences and its diversity. Finally, we take a look at the past and the present of the Literatura written in the Ticino Canton with special emphais on its diversity.