TY - JOUR AU - E. A. Smirnov TI - Colour phenomena in diacyl derivatives of $p$-aminophenol JO - Doklady Akademii Nauk PY - 1958 SP - 544 EP - 547 VL - 120 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1958_120_3_a24/ LA - ru ID - DAN_1958_120_3_a24 ER -