TY  - JOUR
AU  - G. V. Givishvili
AU  - L. N. Leshchenko
TI  - Long-term trends of the mid-latitude ionosphere and thermosphere properties
JO  - Doklady Akademii Nauk
PY  - 1993
SP  - 86
EP  - 89
VL  - 333
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1993_333_1_a8/
LA  - ru
ID  - DAN_1993_333_1_a8
ER  -