TY  - JOUR
AU  - S. G. Il'ina
TI  - Exact formulas for the determination of optic constants $n$ and $\kappa$ based on the reflection
JO  - Doklady Akademii Nauk
PY  - 1971
SP  - 568
EP  - 570
VL  - 200
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1971_200_3_a16/
LA  - ru
ID  - DAN_1971_200_3_a16
ER  -