TY - JOUR AU - A. P. Nagurnyi AU - A. V. Shirochkov TI - Total ozone content variability in the polar area, from the data of the arctic expedition aboard the nuclear icebreaker SIBIR (May--June, 1987) JO - Doklady Akademii Nauk PY - 1989 SP - 1099 EP - 1103 VL - 308 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1989_308_5_a17/ LA - ru ID - DAN_1989_308_5_a17 ER -