@article{DAN_1961_139_1_a19,
     author = {E. F. Gross and A. A. Kaplyanskii},
     title = {The coefficient of quadrupole absorption and the optical life time of the ground state of 
},
     journal = {Doklady Akademii Nauk},
     pages = {75--78},
     publisher = {mathdoc},
     volume = {139},
     number = {1},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_139_1_a19/}
}