On the Connection between Phase Shifts and Scattering Potential

N. Levinson, 1949, Phys. Rev., 75, 1445, 10.1103/PhysRev.75.1445

V. Bargmann, 1949, Phys. Rev., 75, 301, 10.1103/PhysRev.75.301

C. Møller, 1946, Kgl. Danske Vid. Sels. Math.-Fys. Medd., 24, 3

S. T. Ma, 1946, Phys. Rev., 69, 668

S. T. Ma, 1947, Phys. Rev., 71, 195, 10.1103/PhysRev.71.195

D. ter Haar, 1946, Physica, 12, 509, 10.1016/S0031-8914(46)80073-9

R. Jost, 1947, Helv. Phys. Acta, 20, 256

C. Eckart, 1930, Phys. Rev., 35, 1303, 10.1103/PhysRev.35.1303