TY  - JOUR
AU  - Yu. V. Karakashian
TI  - Excitons in semiconductors with narrow forbidden zone
JO  - Proceedings of the Yerevan State University. Physical and mathematical sciences
PY  - 1989
SP  - 144
EP  - 147
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZERU_1989_1_a12/
LA  - ru
ID  - UZERU_1989_1_a12
ER  -