%0 Journal Article %A Blažek, Mikuláš %T One-Pole Approximation for Higher Waves and the Correct Threshold Behaviour of Phase Shifts %J Mathematica slovaca %D 1965 %P 317-330 %V 15 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1965__15_4_a7/ %G en %F MASLO_1965__15_4_a7