@article{DAN_1981_257_5_a23,
     author = {N. F. Pilipetskiǐ and V. I. Popovichev and V. V. Ragulsky},
     title = {On the relation between the amplification coefficients of conjugated and nonconjugated waves at the stimulated light scattering},
     journal = {Doklady Akademii Nauk},
     pages = {1116--1121},
     publisher = {mathdoc},
     volume = {257},
     number = {5},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_257_5_a23/}
}