TY  - JOUR
AU  - Christopher N. Swanson
AU  - Bill Correll, Jr.
AU  - Randy W. Ho
TI  - Enumeration of parallelograms in permutation matrices for improved bounds on the density of Costas arrays
JO  - The electronic journal of combinatorics
PY  - 2016
VL  - 23
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.37236/5610/
DO  - 10.37236/5610
ID  - 10_37236_5610
ER  -