@article{10_4064_fm_99_2_113_121,
     author = {R. Kie{\l}pi\'nski and G. Simson and A. Tyc},
     title = {Exact sequences of pairs in commutative rings},
     journal = {Fundamenta Mathematicae},
     pages = {113--121},
     publisher = {mathdoc},
     volume = {99},
     number = {2},
     year = {1978},
     doi = {10.4064/fm-99-2-113-121},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-99-2-113-121/}
}