TY  - JOUR
AU  - A. V. Goncharsky
AU  - V. V. Stepanov
TI  - Problems of the focusing of radiation in the Fresnel
JO  - Doklady Akademii Nauk
PY  - 1988
SP  - 115
EP  - 118
VL  - 299
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1988_299_1_a25/
LA  - ru
ID  - DAN_1988_299_1_a25
ER  -