%0 Journal Article %A A. I. Akhiezer %A M. P. Rekalo %T Relations between photoproduction amplitudes in a model of unitary symmetry %J Doklady Akademii Nauk %D 1964 %P 298-299 %V 159 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_159_2_a16/ %G ru %F DAN_1964_159_2_a16