TY - JOUR AU - R. S. Asatryan TI - On the operative method measuring of the atmosphere’s infrared transparency JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 2009 SP - 64 EP - 66 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_2009_3_a11/ LA - en ID - UZERU_2009_3_a11 ER -