
doi: 10.1038/191100a0
IN an establishment, there are v= nk officers, r departments and k types of jobs in each department. Each officer has to be assigned a job in each department such that in any department there are equal numbers of officers in different jobs and any two officers have common jobs in exactly λ departments.
statistics
statistics
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 2 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Average | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |
