%0 Journal Article %A S. K. Zhdanov %A A. S. Chikhachev %T A particle in the field of scattering $\delta$-potentials %J Doklady Akademii Nauk %D 1974 %P 1323-1326 %V 218 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_218_6_a16/ %G ru %F DAN_1974_218_6_a16