@article{DAN_1973_210_3_a16,
     author = {E. V. Kolontsova and \`E. E. Kulago and N. I. Byakhova and I. E. Mikhailenko},
     title = {Pretransition in crystals of $\mathrm{K}_2\mathrm{SO}_4$},
     journal = {Doklady Akademii Nauk},
     pages = {567--569},
     publisher = {mathdoc},
     volume = {210},
     number = {3},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_210_3_a16/}
}