%0 Journal Article %A D. S. Chashchin %T Example of point potential with inner structure %J Eurasian journal of mathematical and computer applications %D 2018 %P 4-10 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJMCA_2018_6_1_a0/ %G en %F EJMCA_2018_6_1_a0