Comparison theorems for second order nonlinear differential equations
Erbe, L.
Util. Math. 18, 3-14 (1980).
All DBIBDs with block size four exist
Street, Deborah J.; Seberry, Jennifer
Util. Math. 18, 27-34 (1980).
Three new Steiner quadruple systems
Colbourn, Charles J.; Phelps, Kevin T.
Util. Math. 18, 35-40 (1980).
A note on Howell designs
Anderson, B. A.
Util. Math. 18, 41-49 (1980).
Computation methods for optimal [M,3] group codes for the Gaussian channel
Downey, Charles; Karlof, John
Util. Math. 18, 51-70 (1980).
On the continuation to the left of solutions of an integrodifferential equation
Carvalho, L. A. V.
Util. Math. 18, 71-82 (1980).
Forcibly 2-variegated degree sequences
Bhat-Nyak, Vasanti N.; Naik, Ranjan N.; Kocay, W. L.
Util. Math. 18, 83-89 (1980).
On an inequality satisfied by the parameters of partially balanced incomplete block designs
Shrikhande, Mohan
Util. Math. 18, 91-96 (1980).
Torsion by an annular disk of an infinite cylinder embedded in an elastic half-space
Singh, B. M.; Moodie, T. Bryant; Haddow, J. B.
Util. Math. 18, 97-113 (1980).
A note on the critical points of a polynomial
Gargantini, Irene
Util. Math. 18, 115-118 (1980).
Shadow prices for an unstable convex program
Wolkowicz, Henry
Util. Math. 18, 119-139 (1980).
On the construction of perpendicular arrays
Mullin, R. C.; Schellenberg, P. J.; van Rees, G. H. J.; Vanstone, S. A.
Util. Math. 18, 141-160 (1980).
On directed balanced incomplete block designs with block size five
Street, Deborah J.; Wilson, William H.
Util. Math. 18, 161-174 (1980).
On the number of pseudo-similar vertices in a graph
Kocay, W. L.
Util. Math. 18, 175-179 (1980).
Optimal multi-message broadcasting in complete graphs
Cockayne, E. J.; Thomason, A. G.
Util. Math. 18, 181-199 (1980).
More skew room squares
Anderson, B. A.; Mullin, R. C.; Stinson, D. R.
Util. Math. 18, 201-205 (1980).
A note on Howell designs of odd side
Dinitz, J. H.; Stinson, D. R.
Util. Math. 18, 207-216 (1980).
Some new constructions of balanced incomplete block designs
Sane, S. S.
Util. Math. 18, 217-224 (1980).
An application of the Leverrier-Faddeev algorithm to skew-symmetric matrix decompositions
Gower, J. C.
Util. Math. 18, 225-240 (1980).
Collision probabilities for two random walking particles in terms of Legendre polynomials
Hill, James M.; Gulati, Chandra M.
Util. Math. 18, 241-255 (1980).
Decomposition techniques for matrix multiplication problems
Probert, Robert L.; Fischer, Patrick C.
Util. Math. 18, 257-267 (1980).
Computation of some exact g-coverings
Stanton, R. G.; Eades, P. D.; van Rees, G. H. J.; Cowan, D. D.
Util. Math. 18, 269-282 (1980).
Bases of additive permutations with a given number of odd elements
Abrham, Jaromir; Kotzig, Anton
Util. Math. 18, 283-288 (1980).
A combinatorial power identity
Meek, D. S.; Stanton, R. G.
Util. Math. 18, 289-290 (1980).
Some results on irreducible (r,lambda)-designs
Gardner, B.; Vanstone, S. A.
Util. Math. 18, 291-300 (1980).
