Nigel Ray

	1998
4		Cristian Lenart, Nigel Ray: Hopf algebras of set systems. Discrete Mathematics 180(1-3): 255-280 (1998)
	1997
3		Cristian Lenart, Nigel Ray: Chromatic polynomials of partition systems. Discrete Mathematics 167-168: 419-444 (1997)
	1994
2		Nigel Ray, William Schmitt: Ultimate chromatic polynomials. Discrete Mathematics 125(1-3): 329-341 (1994)
	1992
1		Nigel Ray, Colin Wright: Umbral interpolation and the addition/contraction tree for graphs. Discrete Mathematics 103(1): 67-74 (1992)

Coauthor Index

1	Cristian Lenart	[3] [4]
2	William Schmitt	[2]
3	Colin Wright	[1]

Colors in the list of coauthors