@article{ZVMMF_1986_26_1_a7,
     author = {A. V. Goncharsky and V. V. Stepanov},
     title = {Inverse problems of coherent optics. {Focusing} in a line},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {80--91},
     year = {1986},
     volume = {26},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1986_26_1_a7/}
}