@article{VNGU_2010_10_3_a4,
     author = {Ya. A. Kopylov},
     title = {The {Kuz'minov{\textendash}Shvedov} addition lemma in a quasi-abelian category},
     journal = {Sibirskij \v{z}urnal \v{c}istoj i prikladnoj matematiki},
     pages = {63--75},
     year = {2010},
     volume = {10},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VNGU_2010_10_3_a4/}
}