@article{DAN_1973_213_5_a4,
     author = {V. B. Gisin},
     title = {On an imbedding of a {semi-Abelian} category in an {Abelian} category},
     journal = {Doklady Akademii Nauk},
     pages = {1015--1017},
     publisher = {mathdoc},
     volume = {213},
     number = {5},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_213_5_a4/}
}