Article 04.1.4:
Jan-Christoph Schlage-Puchta and Jürgen Spilker,
"The Greatest Common Divisor of Two Recursive Functions"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 04.2.7:
Ali Aberkane, James D. Currie, and Narad Rampersad,
"The Number of Ternary Words Avoiding Abelian Cubes Grows Exponentially"
(Abstract,
pdf,
ps,
dvi,
tex)
(Errata: pdf,
ps,
dvi,
tex)
Article 04.2.8:
B. Sury, Tianming Wang, and Feng-Zhen Zhao,
"Identities Involving Reciprocals of Binomial Coefficients"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 04.3.3:
B. D. McKay, F. E. Oggier, N. J. A. Sloane, G. F. Royle,
I. M. Wanless and H. S. Wilf, "Acyclic Digraphs and
Eigenvalues of (0,1)-Matrices"
(Abstract,
pdf,
ps,
dvi,
tex)
Article 04.3.8:
A. Laradji and A. Umar,
"Combinatorial Results for Semigroups of Order-Decreasing
Partial Transformations"
(Abstract,
pdf,
ps,
dvi,
tex)