%0 Journal Article %A N. S. Vul'fson %A V. I. Zaretskii %A V. G. Zaikin %T Mass-spectrometer study of natural furanocoumarins %J Doklady Akademii Nauk %D 1964 %P 1104-1107 %V 155 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_155_5_a21/ %G ru %F DAN_1964_155_5_a21