@article{10_14708_ma_v6i12_1321,
     author = {R. Zieli\'nski},
     title = {On measures of robustness},
     journal = {Mathematica Applicanda},
     pages = { 71--76},
     publisher = {mathdoc},
     volume = {6},
     number = {12},
     year = {1978},
     doi = {10.14708/ma.v6i12.1321},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v6i12.1321/}
}