@article{10_14708_ma_v46i2_6415,
     author = {Krzysztof J. Szajowski},
     title = {Chapter {Cover}},
     journal = {Mathematica Applicanda},
     pages = { 257--258},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {2018},
     doi = {10.14708/ma.v46i2.6415},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v46i2.6415/}
}