@article{DAN_1965_165_4_a24,
     author = {\`E. Ya. Gren and G. Ya. Vanag},
     title = {On the deep colour of the anionic forms of cyclopentene-4-diones-1,3 and indandiones-1,3},
     journal = {Doklady Akademii Nauk},
     pages = {824--826},
     publisher = {mathdoc},
     volume = {165},
     number = {4},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_165_4_a24/}
}