TY - JOUR AU - S. P. Vyatchanin TI - On effective cooling of quantum systems JO - Doklady Akademii Nauk PY - 1977 SP - 1295 EP - 1297 VL - 234 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_234_6_a12/ LA - ru ID - DAN_1977_234_6_a12 ER -