A note on coefficients of chromatic polynomials | 1970/07/01 | English | |
On the algebraic theory of graph colorings | 1966/06/01 | English | |
An infinite class of 4-designs | 1969/04/01 | English | |
A theorem on n-connected graphs | 1969/09/01 | English | |
A higher invariant for matroids | 1967/06/01 | English | |
A geometric characterization of the line graph of a projective plane | 1967/12/01 | English | |
On the maximal distance of spanning trees | 1968/12/01 | English | |
On Dilworth's decomposition theorem for partially ordered sets | 1967/10/01 | English | |
On the number of inequivalent steiner triple systems | 1966/01/01 | English | |
A lower bound for the order of a partial transversal in a latin square | 1969/07/01 | English | |
L'épaisseur des graphes complets K34 et K40 | 1970/09/01 | French | |
On the factorisation of the complete graph into factors of diameter 2 | 1970/12/01 | English | |
On the construction of certain graphs | 1966/06/01 | English | |
The degrees of permutation polynomials over finite fields | 1969/07/01 | English | |
On free alternative rings | 1967/04/01 | English | |
The golden root of a chromatic polynomial | 1969/04/01 | English | |
On n-uniform Hjelmslev planes | 1970/10/01 | English | |
An inequality for B2-sequences | 1969/03/01 | English | |
Upper bounds for some Ramsey numbers | 1967/07/01 | English | |
The heawood map-coloring problem—Cases 1, 7, and 10 | 1970/03/01 | English | |
More birthday surprises | 1969/11/01 | English | |
The distance between points in random trees | 1970/01/01 | English | |
Automorphism groups of Hadamard matrices | 1969/04/01 | English | |
Maximal consistent families of triples | 1968/07/01 | English | |
On furnishing Room squares | 1969/11/01 | English | |
Enumeration of non-separable graphs | 1970/12/01 | English | |
The genus of K12s | 1967/07/01 | English | |
On the construction of block designs | 1966/12/01 | English | |
Symmetric embeddings of graphs | 1970/12/01 | English | |
Connectivity of transitive graphs | 1970/01/01 | English | |