%0 Journal Article %A G. V. Efimov %T Essentially nonlinear interaction Lagrangians and nonlocalized quantum field theory %J Teoretičeskaâ i matematičeskaâ fizika %D 1970 %P 36-54 %V 2 %N 1 %U http://geodesic.mathdoc.fr/item/TMF_1970_2_1_a2/ %G ru %F TMF_1970_2_1_a2