%0 Journal Article %A B. M. Barbashov %A V. V. Nesterenko %T Approximate solutions in the model $\mathscr L_{\mathrm{int}}=h^2\psi^2\varphi^2$ and equations for Green's functions on paths %J Teoretičeskaâ i matematičeskaâ fizika %D 1974 %P 47-58 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1974_19_1_a4/ %G ru %F TMF_1974_19_1_a4