@article{DAN_1965_161_4_a19,
     author = {V. V. Kostin and T. M. Murina and A. M. Prokhorov and V. T. Udovenchik},
     title = {Optical quantum generator on $\mathrm{CaF}_2:\mathrm{Dy}^{2+}$},
     journal = {Doklady Akademii Nauk},
     pages = {806--809},
     publisher = {mathdoc},
     volume = {161},
     number = {4},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_161_4_a19/}
}