Jensen, Ledet N. J

Lower bounds for the first eigenvalues on the Lapacian with Dirichlet boundary conditions N.J. Ledet Jensen, M. Rao, S.E. Graversen - Aarhus Aarhus Universitet 1985/86 - 12 p 20 cm - Preprint series 19 .

Lucrarea este multigrafiata Contine bibliografie