Permanence de relations de récurrence dans certains développements asymptotiques. (Permanence of recurrence relations in certain asymptotic expansions).
Polynomial asymptotics and approximation of Sobolev functions
We prove several results concerning density of , behaviour at infinity and integral representations for elements of the space .
Positivity Zones and Norms of N-fold Convolutions - I
Properties of certain improper integrals