%0 Journal Article %A A. D. Egorov %A E. P. Zhidkov %A V. A. Petrov %T Approximate formulas for functional integrals including the contributions of Feynman diagrams of given form %J Matematičeskoe modelirovanie %D 1997 %P 69-78 %V 9 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1997_9_1_a5/ %G ru %F MM_1997_9_1_a5