Nonlinear diffusion and Nelson-Brown movement Andrzej TrzesowskiRomuald Kotowski OriginalPaper Pages: 533 - 556
Massless and massive quanta resulting from a mediumlike metric tensor Josip Ĺ oln OriginalPaper Pages: 615 - 631
Prolongation structure of a new integrable system A. Roy ChowdhuryS. Paul OriginalPaper Pages: 633 - 637