TY - JOUR AU - M. G. Kuz'min TI - “Negative temperatures” in reversible photochemical reactions JO - Doklady Akademii Nauk PY - 1963 SP - 1371 EP - 1374 VL - 151 IS - 6 UR - http://geodesic.mathdoc.fr/item/DAN_1963_151_6_a38/ LA - ru ID - DAN_1963_151_6_a38 ER -