On general dissections of a polygon. (Short Communication).
On generalizations of the Stirling number triangles.
On generalized Dyck paths.
On generalized symmetric means and Stirling numbers of the second kind
On generating functions involving the square root of a quadratic polynomial.
On generating series of coloured planar trees.
On Genocchi numbers and polynomials.
On growth rates of closed permutation classes.
On growth rates of permutations, set partitions, ordered graphs and other objects.
On Hales-Jewett's theorem.
On Hallian digraphs, permanents and transversals
On Hall's condition in transversal theory.
On Hultman numbers.
On independent sets
On information storage and retrieval systems
On integer-sequence-based constructions of generalized Pascal triangles.
On -colored Motzkin words.
On -Thin Sets and -Extensive Graphs
On Kadell's two conjectures for the -Dyson product.
On Kurepa's problems in number theory.