in this paper, the goursat problem of a third order equation on cases of explicit solvability isinvestigated, with the help of the riemann function. some results and one theorem are given concerning theexistence and uniqueness for the solution of the suggested problem.

The management of solid waste is a major problem all over the globe. techniques available for are not so eco-friendly nor cheap, so, biological methods seems to be only way find solution this problem. termites have potential digest cellulose due presence diverse microbiota in their gut. Due large number and voracious feeding habit they can prove one best agents waste.

In English, Italian La recente introduzione dell'endoscopia tridimensionale nella chirurgia endonasale è stata accolta con favore con l'aspettativa di superare la principale limitazione dell'endoscopia, ovvero la mancanza di visione stereoscopica. Questa innovazione