@article{10_4064_am_21_1_27_31,
     author = {Bronis{\l}aw Ceranka and Maria Koz{\l}owska},
     title = {Connectedness of row and column designs},
     journal = {Applicationes Mathematicae},
     pages = {27--31},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {1991},
     doi = {10.4064/am-21-1-27-31},
     zbl = {0739.62062},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-21-1-27-31/}
}