@article{UZKU_2007_149_1_a9,
     author = {K. R. Karimullin and V. A. Zuikov and D. A. Khristoforova and V. V. Samartsev},
     title = {On possibility of applying crystals doped with triple-charged thulium ions in photon echo processors},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {64--71},
     year = {2007},
     volume = {149},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2007_149_1_a9/}
}