%0 Journal Article %A F. O. Porper %A S. D. Ăˆidel'man %T Theorems on the asymptotic proximity of fundamental solutions of %J Doklady Akademii Nauk %D 1995 %P 586-589 %V 344 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1995_344_5_a1/ %G ru %F DAN_1995_344_5_a1