@article{SEMR_2017_14_a44,
     author = {E. A. Palyutin},
     title = {Expansions of categorical antiadditive {Horn} theories till additive
},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {1480--1491},
     publisher = {mathdoc},
     volume = {14},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2017_14_a44/}
}