@article{VMUMM_1999_3_a9,
     author = {Yu. V. Sadovnichii},
     title = {On some categorical properties of the functor $U_\tau$},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {38--42},
     publisher = {mathdoc},
     number = {3},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1999_3_a9/}
}