@article{UZKU_2008_150_2_a26,
     author = {S. V. Petrushkin},
     title = {Perspectives for {Optical} {Cooling} of {Doped} {Nanocrystalline} {Powders}},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {191--195},
     publisher = {mathdoc},
     volume = {150},
     number = {2},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2008_150_2_a26/}
}