@article{10_14708_ma_v5i11_1263,
     author = {Bronis{\l}aw Ceranka},
     title = {Completely balanced block designs with nonuniform block dimension},
     journal = {Mathematica Applicanda},
     pages = { 51--57},
     publisher = {mathdoc},
     volume = {5},
     number = {11},
     year = {1977},
     doi = {10.14708/ma.v5i11.1263},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v5i11.1263/}
}