@article{DAN_1958_123_4_a32,
     author = {Chen Chan-by and R. P. Evstigneeva and N. A. Preobrazhenskii},
     title = {The synthesis of cinchonamine, an alkaloid from the bark of a cinchona tree},
     journal = {Doklady Akademii Nauk},
     pages = {707--708},
     publisher = {mathdoc},
     volume = {123},
     number = {4},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_123_4_a32/}
}