@article{10_14708_cm_v30i2_6334,
     author = {R. Yue Chi Ming},
     title = {A note on classical quotient rings},
     journal = {Commentationes Mathematicae},
     pages = { 491--500},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {1991},
     doi = {10.14708/cm.v30i2.6334},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v30i2.6334/}
}