Teoria di Galois, fibrazioni proiettive e geometrie non desarguesiane B. Segre OriginalPaper Pages: 1 - 76
On variational principles in which the Lagrangian function involves third order derivatives David Lovelock OriginalPaper Pages: 77 - 97
Canonical formalism for parameter-invariant integrals in the Calculus of Variations whose Lagrange functions involve second order derivatives Hanno Rund OriginalPaper Pages: 99 - 107
Nörlund summability of Fourier series and its conjugate series T. Singh OriginalPaper Pages: 123 - 132
Soluzioni limitate o quasi-periodiche dell'equazione di Poisson S. Zaidman OriginalPaper Pages: 365 - 405