%0 Journal Article %A I. F. Gurinovich %A G. P. Gurinovich %A A. N. Sevchenko %T On the structure of the products formed in the photochemical reactions of porphyrins %J Doklady Akademii Nauk %D 1964 %P 1345-1347 %V 155 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_155_6_a18/ %G ru %F DAN_1964_155_6_a18