%0 Journal Article %A M. K. Volkov %T Exponential interaction of scalar massless fields (third order) %J Informatics and Automation %D 1975 %P 87-94 %V 135 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1975_135_a7/ %G ru %F TRSPY_1975_135_a7