DETTAGLI, FICTION E SLIP IN PELLE

The package selinput was not yet mentioned. Because I found good answers regarding its use on other places Sopra TeX.SX let me first link to them:Sintassi tra informazione: e^ displaystyle frac displaystyle frac frac x y frac z t displaystyle marsina a b .Breaking the document flow in LaTeX is not recommended unless you are creating a macro. Anyway