TY - JOUR AU - A. I. Konovalov TI - Chemical shift and activity of dienophile in diene synthesis JO - Doklady Akademii Nauk PY - 1965 SP - 343 EP - 346 VL - 162 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1965_162_2_a27/ LA - ru ID - DAN_1965_162_2_a27 ER -