@article{DAN_1978_239_1_a18,
     author = {K. G. Nikiforov and S. I. Radautsan and V. E. Tezlevan},
     title = {The effect of donor impurities on the electric properties of single crystals of $\mathrm{CdCr}_2\mathrm{S}_4$},
     journal = {Doklady Akademii Nauk},
     pages = {77--79},
     publisher = {mathdoc},
     volume = {239},
     number = {1},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_239_1_a18/}
}