%0 Journal Article %A G. Sommer %T On the dynamical contents of two-particle structure, positivity, crossing symmetry, and analyticity %J Informatics and Automation %D 1975 %P 137-148 %V 135 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1975_135_a14/ %G en %F TRSPY_1975_135_a14