@article{DAN_1982_262_3_a26,
     author = {K. Sh. Karaev and N. G. Furmanova and N. V. Belov},
     title = {On the crystal- and molecular structure of photochromic spiropyrane, $\mathrm{C}_{20}\mathrm{H}_{12}\mathrm{O}_3$},
     journal = {Doklady Akademii Nauk},
     pages = {609--611},
     publisher = {mathdoc},
     volume = {262},
     number = {3},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_262_3_a26/}
}