A MECHANISTIC STUDY OF THE LEWIS ACID–BRONSTED BASE–BRONSTED ACID CATALYSED ASYMMETRIC MICHAEL ADDITION OF DIETHYL MALONATE TO CYCLOHEXENONE Article 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. P. 90-101