@article{DAN_1960_132_6_a2,
     author = {I. E. Burmistrovich},
     title = {Embedding of an additive category into a category with direct products},
     journal = {Doklady Akademii Nauk},
     pages = {1235--1237},
     year = {1960},
     volume = {132},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_132_6_a2/}
}