@article{DAN_1964_155_5_a21,
     author = {N. S. Vul'fson and V. I. Zaretskii and V. G. Zaikin},
     title = {Mass-spectrometer study of natural furanocoumarins},
     journal = {Doklady Akademii Nauk},
     pages = {1104--1107},
     publisher = {mathdoc},
     volume = {155},
     number = {5},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_155_5_a21/}
}