@article{DAN_1991_318_5_a30,
     author = {S. N. Svitasheva},
     title = {Exact solution of inverse problem of ellipsometry for absorbing films},
     journal = {Doklady Akademii Nauk},
     pages = {1154--1158},
     publisher = {mathdoc},
     volume = {318},
     number = {5},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_5_a30/}
}