@article{DAN_1987_297_3_a14,
     author = {M. M. Lavrent'ev and V. R. Kireitov and V. I. Khotskin},
     title = {Phenomenon of the formation of real optical three dimensional
},
     journal = {Doklady Akademii Nauk},
     pages = {576--579},
     publisher = {mathdoc},
     volume = {297},
     number = {3},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_297_3_a14/}
}