Research Article
Some polynomials related to the Bernoulli and Euler polynomials
Carlitz, Leonard
Util. Math. 19, 81-127 (1981).
Research Article
On pop-stacks in series
Avis, David; Newborn, Monroe
Util. Math. 19, 129-140 (1981).
Research Article
Predator-prey systems with a perturbed periodic carrying capacity
Freedman, H. I.; Manetto, L.
Util. Math. 19, 141-155 (1981).
Research Article
On 5-designs
Kageyama, Sanpei
Util. Math. 19, 171-176 (1981).
Research Article
Clique coverings of graphs. I: Clique partitions of regular graphs
Pullman, Norman J.; de Caen, Dom
Util. Math. 19, 177-205 (1981).
Research Article
Clique coverings of graphs. II: Complements of cliques
Pullman, Norman J.; Donald, Alan
Util. Math. 19, 207-213 (1981).
Research Article
Replacement theorems for concomitants of gauge fields
Horndeski, Gregory Walter
Util. Math. 19, 215-246 (1981).
Research Article
Two theorems on rational power series
Gessel, Ira M.
Util. Math. 19, 247-254 (1981).
Research Article
The application of the variation of constants formulas in the numerical analysis of integral and integro-differential equations
Brunner, Hermann
Util. Math. 19, 255-290 (1981).
Research Article
On three-colored lines in the plane and Ed
Purdy, George
Util. Math. 19, 291-293 (1981).
Research Article
Coloured frieze groups
Jarratt, J. D.; Schwarzenberger, R. L. E.
Util. Math. 19, 295-303 (1981).




