%0 Journal Article %A V. P. Gachok %A N. S. Gonchar %T Existence of Green's functions in the Euclidean domain for the $P(\varphi)_2$-theory %J Teoretičeskaâ i matematičeskaâ fizika %D 1974 %P 174-180 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1974_18_2_a2/ %G ru %F TMF_1974_18_2_a2