@article{SJC_2013_7_3_a1,
     author = {Radev, Slavian},
     title = {Test, {Teachers,} {Quorum} {(Pure} {Populations)}},
     journal = {Serdica Journal of Computing},
     pages = {215--226},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJC_2013_7_3_a1/}
}