@article{MZM_2006_79_5_a4,
     author = {A. A. Zaitov},
     title = {Some categorical properties of the functors $O_\tau$ and $O_R$ of weakly additive functionals},
     journal = {Matemati\v{c}eskie zametki},
     pages = {681--693},
     publisher = {mathdoc},
     volume = {79},
     number = {5},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2006_79_5_a4/}
}