Physics Letters A
Physics Letters A > 1998 > 240 > 4-5 > 185-190
Physics Letters A > 1998 > 240 > 4-5 > 241-246
Physics Letters A > 1998 > 240 > 4-5 > 177-184
Physics Letters A > 1998 > 240 > 4-5 > 225-234
Physics Letters A > 1998 > 240 > 4-5 > 265-270
Physics Letters A > 1998 > 240 > 4-5 > 219-224
Physics Letters A > 1998 > 240 > 4-5 > 201-212
Physics Letters A > 1998 > 240 > 4-5 > 253-256
Physics Letters A > 1998 > 240 > 4-5 > 196-200
Physics Letters A > 1998 > 240 > 4-5 > 271-275
Physics Letters A > 1998 > 240 > 4-5 > 213-218
Physics Letters A > 1998 > 240 > 4-5 > 257-264
Physics Letters A > 1998 > 240 > 4-5 > 247-252
Physics Letters A > 1998 > 240 > 4-5 > 235-240
Physics Letters A > 1998 > 240 > 4-5 > 191-195