CONTENTS
Danchev, P.V., On exchangeπ-UU unital rings . . . . 1
Yoshii, Y., Gausenstein integers . . . 9
Ikeda, H. and Akama, Y., Existence and stability of singularly perturbed standing pulse solutions of a three-component FitzHugh- Nagumo system . . . 19
Fujita, Y. and Saito, Y., On the sets of maximum points for generalized Takagi functions . . . 87