[741] The homology groups of some ordered systems

[742] Principe de moindre action, propagation de la chaleur et estimees sous elliptiques sur certains groupes nilpotents

[743] A constructive proof of the Fefferman-Stein decomposition of BMO ($R$^{$n$})

[744] Elliptic systems in$H$_{$s,δ$}spaces on manifolds which are euclidean at infinity

[745] Hilbert algebras as topological algebras