On Kernel polynomials and self-perturbation of orthogonal polynomials K.H. KwonD.W. LeeS.B. Park Pages: 127 - 146
Weyl formula for multi-quasi-elliptic operators. of Schrödinger type Ernesto BuzanoAndrea Ziggioto Pages: 223 - 243
Invariance of the stability of meissner’s equation under a permutation of its intervals J.M. AlmiraP.J. Torres Pages: 245 - 253