@article{10_14708_ma_v48i2_7049,
     author = {Maria-Albert Jerzy Jochelson},
     title = {"Kowal" system in {Metallurgy}},
     journal = {Mathematica Applicanda},
     pages = { 227--238},
     publisher = {mathdoc},
     volume = {48},
     number = {2},
     year = {2020},
     doi = {10.14708/ma.v48i2.7049},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v48i2.7049/}
}