Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
515.35=4 L341 98562
Lascar Richard Propagation des singularites des solutions d'equations pseudo-differentielles a caracteristiques de multiplicites variables Berlin Springer Verlag 1981 viii,237p. * Calculus Differential equations