@article{DAN_1969_185_3_a20,
     author = {P. V. Klevtsov and L. P. Kozeeva},
     title = {Synthesis {X-ray} and thermographic study of potassium~-- rare earth tungstatcs, $\mathrm{KLn}(\mathrm{WO}_4)_2$; 
},
     journal = {Doklady Akademii Nauk},
     pages = {571--574},
     publisher = {mathdoc},
     volume = {185},
     number = {3},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_185_3_a20/}
}