%0 Journal Article %A A. V. Karyakin %A A. V. Shablya %T The structure of $9$-aminoacridine according to spectrum data %J Doklady Akademii Nauk %D 1957 %P 969-972 %V 116 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_116_6_a18/ %G ru %F DAN_1957_116_6_a18