A. Jeribi, SOME REMARKS ON THE WEYL SPECTRUM AND APPLICATIONS, Comptes rendus de l'Academie des sciences. Serie 1, Mathematique, 327(5), 1998, pp. 485-490
In this Note we give a characterisation of the Weyl spectrum by means
of regular operators and we apply this result to the transport equatio
n. (C) Academie des Sciences/Elsevier, Paris.