@article{SM_1968_5_3_a4,
     author = {A. H. Livshits},
     title = {Direct decompositions with distinguished subobjects in categories},
     journal = {Sbornik. Mathematics},
     pages = {379--400},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {1968},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1968_5_3_a4/}
}