Montes, F., Sala-Garrido, R., & Usai, A. (2014). The lack of balance in the Spanish First Division football league. European Sport Management Quarterly. http://dx.doi.org/10.1080/16184742.2014.898678
When the above article was first published online there were errors in three of the equations.
On page 4,
This has now been corrected online and in print.
The authors apologise for this error.