@article{10_14708_wm_v7i1_2402,
     author = {S. Zubrzycki},
     title = {T. {Czechowski,} {Rachunek} r\'o\.zniczkowy i ca{\l}kowy dla statystyk\'ow i ekonomist\'ow},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 156--157},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {1963},
     doi = {10.14708/wm.v7i1.2402},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v7i1.2402/}
}