# Czechoslovak Mathematical Journal

## Vol. 54, No. 2, 2004 · Contents

Torben Maack Bisgaard:
An example of a positive semidefinite double sequence which is not a moment sequence

M. Cichon, I. Kubiaczyk, A. Sikorska:
The Henstock-Kurzweil-Pettis integrals and existence theorems for the Cauchy problem

Mukti Acharya, Tarkeshwar Singh:
Graceful signed graphs

Mohammed Ali Faya Ibrahim:
On the embedding of ordered semigroups into ordered group

On Hankel transform and Hankel convolution of Beurling type distributions having upper bounded support

N. Kuruoglu, S. Yuce:
The generalized Holditch theorem for the homothetic motions on the planar kinematics

Mehmet Bektas:
Totally real submanifolds in a quaternion space form

Evgenia H. Papageorgiou, Nikolaos S. Papageorgiou:
Existence of solutions and of multiple solutions for nonlinear nonsmooth periodic systems

Ignacio Villanueva:
Integral multilinear forms on $C(K,X)$ spaces

Zhaowen Li, Shou Lin:
On the weak-open images of metric spaces

Kin-Keung Poon:
On Harpers' result concerning the bandwidths of graphs

Lattices with complemented tolerance lattice

O. Duman, C. Orhan:
$\mu$-statistically convergent function sequences

Shaofang Hong, Qi Sun:
Determinants of matrices associated with incidence functions on posets