@article{DAN_1986_290_6_a17,
     author = {M. A. Vorontsov and A. N. Matveev and V. P. Sivokon'},
     title = {The optimal wave-front control in the problems of radiation focusing into an arbitrary region},
     journal = {Doklady Akademii Nauk},
     pages = {1354--1358},
     publisher = {mathdoc},
     volume = {290},
     number = {6},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_290_6_a17/}
}