@article{10_14708_ma_v9i17_1517,
     author = {Mieczys{\l}aw Kuczy\'nski},
     title = {Analysis of covariance in systems with split-plot design},
     journal = {Mathematica Applicanda},
     pages = { 69--82},
     publisher = {mathdoc},
     volume = {9},
     number = {17},
     year = {1981},
     doi = {10.14708/ma.v9i17.1517},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v9i17.1517/}
}