@article{10_14708_wm_v13i1_2001,
     author = {A. Jankowski},
     title = {S. {Balcerzyk} {Wst\k{e}p} do algebry homologicznej},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 111--112},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {1971},
     doi = {10.14708/wm.v13i1.2001},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v13i1.2001/}
}