@article{10_4064_am_1_1_28_40,
     author = {J. G. Mikusinski},
     title = {O rachunku operator\'ow},
     journal = {Applicationes Mathematicae},
     pages = {28--40},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1953},
     doi = {10.4064/am-1-1-28-40},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-1-1-28-40/}
}