%0 Journal Article %A P. P. Shorygin %A Z. S. Egorova %T The dependence of the conjugation signs on the rotation angle of methoxy- and dimethylamino-groups relative to %J Doklady Akademii Nauk %D 1958 %P 869-872 %V 121 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_121_5_a19/ %G ru %F DAN_1958_121_5_a19