@article{10_21136_MB_2002_134064,
     author = {Zelinka, Bohdan},
     title = {On a problem of {E.~Prisner} concerning the biclique operator},
     journal = {Mathematica Bohemica},
     pages = {371--373},
     publisher = {mathdoc},
     volume = {127},
     number = {3},
     year = {2002},
     doi = {10.21136/MB.2002.134064},
     mrnumber = {1931321},
     zbl = {1003.05048},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2002.134064/}
}