A MECHANISTIC STUDY OF THE LEWIS ACID–BRONSTED BASE–BRONSTED ACID CATALYSED ASYMMETRIC MICHAEL ADDITION OF DIETHYL MALONATE TO CYCLOHEXENONE Статья Samoilichenko Y., Kondratenko V., Ezernitskaya M., Lyssenko K., Peregudov A., Khrustalev V., Maleev V., Moskalenko M., North M., Tsaloev A., Gugkaevaa Z.T., Belokon Yu. Catalysis Science and Technology. Royal Society of Chemistry. 2017. С. 90-101