TY - JOUR AU - Yu. G. Borod'ko AU - Ya. K. Syrkin TI - The intensity of the infrared carbonyl bond absorption in sidnones and tropone and the polarity of this bond JO - Doklady Akademii Nauk PY - 1960 SP - 1127 EP - 1130 VL - 134 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_134_5_a35/ LA - ru ID - DAN_1960_134_5_a35 ER -