@article{UMJ_2017_3_2_a14,
     author = {Boris V. Semenov and Nikolai I. Chernykh and Viktor M. Pleshchev},
     title = {New method of reflector surface shaping to produce a prescribed contour beam},
     journal = {Ural mathematical journal},
     pages = {143--151},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UMJ_2017_3_2_a14/}
}