A note on a theorem of Ljunggren and the Diophantine equations x2–kxy2 + y4 = 1, 4 Gary Walsh Pages: 119 - 125
Funktionen, deren Maxima eine asymptotisch konstante Folge bilden Irene RedhefferRaymond Redheffer Pages: 141 - 145
The conditions that the product of Hankel operators is also a Hankel operator Takashi Yoshino Pages: 146 - 153
A note about G-equivariant homotopies and isotopies, where G is a Lie group Marja Kankaanrinta Pages: 154 - 160