CONTENTS
A r t i c l e s :
A. Bella, J. Martinez, S. D. Woodward: Algebras and spaces of dense constancies .. 449 Adem Kzhfman: A comparison on the commutative neutrix convolution of distribu-
tions and the exchange formula . . . 463 Y. Zhang, Y. Wang: Uniquely covered radical classes of ^-groups . . . 473 Norbert Polat: Multi-faithful spanning trees of infinite graphs . . . 477 Diomedes Bdrcenas: Weak compactness criteria for set valued integrals and Radon
Nikodym Theorem for vector valued multimeasures . . . 493 E. Malkowsky, V. Rakocevic: Measure of noncompactness of linear operators between
spaces of sequences that are ( N , q) summable or bounded . . . 505 E. Boeckx, L. Vanhecke: Unit tangent sphere bundles with constant scalar curvature 523 Mario Petrich, Pedro V. Silva: A canonical directly infinite ring . . . 545 Evgeniy Pustylnik: A way of estimating the convergence rateof the Fourier method for
PDEof hyperbolic type . . . 561 Satoshi Tanaka: Existence of positive solutions for a class of higher order neutral
functional differential equations . . . 573 0. Martio, V. Miklyukov, M. Vuorinen: Estimates for the energy integral of quasireg-
ular mappings on Riemannian manifolds and isoperimetry . . . 585 Jan Jakubik: State-homomorphisms on MV-algebras . . . 609 Dragon S. Djordjevic, Predrag S. Stanimirovic: On the generalized Drazin inverse and
generalized resolvent . . . 617 Ladislav Nebesky: A characterization of the interval function of a (finite or infinite)
connected graph . . . 635 F. G. Abdullayev: Uniform convergence of the generalized Bieberbach polynomials in
regions with zero angles . . . 643 Jan Jakubik: Distinguished completion of a direct product of lattice ordered groups 661
