Calogero F. — Variable phase approach to potential scattering | 2(13, 14, 15, 16, 17, 18, 19, 24, 25), 37(13), 92(13, 16), 97(19), 98(19), 108(19), 109(19), 113(15, 17), 115(17), 116(17), 119(17), 120(15, 17, 25), 125(15), 129(18), 173(13), 176(37), 182(38-41), 183(41), 185(41), 187(40), 189(38, 39), 217(13), 222(13), 236, 237 |