TY - JOUR AU - Blažek, Mikuláš TI - One-Pole Approximation for Higher Waves and the Correct Threshold Behaviour of Phase Shifts JO - Mathematica slovaca PY - 1965 SP - 317 EP - 330 VL - 15 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_1965__15_4_a7/ LA - en ID - MASLO_1965__15_4_a7 ER -