Samuel Huang, Dov Tamari Problems of Associativity: A Simple Proof for the Lattice Property of Systems Ordered by a Semi-associative Law. [Citation Graph (0, 0)][DBLP] J. Comb. Theory, Ser. A, 1972, v:13, n:1, pp:7-13 [Journal]
S. Sherman Positive Definiteness and Positive Differences. [Citation Graph (0, 0)][DBLP] J. Comb. Theory, Ser. A, 1972, v:13, n:1, pp:14-16 [Journal]
William Graves A Sheaf of Bicomodules over the Incidence Coalgebra. [Citation Graph (0, 0)][DBLP] J. Comb. Theory, Ser. A, 1972, v:13, n:1, pp:28-39 [Journal]
B. R. McDonald Diagonal Equivalence of Matrices over a Finite Local Ring. [Citation Graph (0, 0)][DBLP] J. Comb. Theory, Ser. A, 1972, v:13, n:1, pp:100-104 [Journal]
Jacqueline Shalhevet A Characterization of Separating Distinguished Collections Containing the Maximum Number of Sets. [Citation Graph (0, 0)][DBLP] J. Comb. Theory, Ser. A, 1972, v:13, n:1, pp:105-115 [Journal]
David C. Kurtz A Note on Concavity Properties of Triangular Arrays of Numbers. [Citation Graph (0, 0)][DBLP] J. Comb. Theory, Ser. A, 1972, v:13, n:1, pp:135-139 [Journal]