Open Access System for Information Sharing

PHYSICS LETTERS A, vol. 255, no. 3, page. 154 - 159, 1999-05-10

PHYSICS LETTERS A, vol. 194, no. 4, page. 310 - 314, 1994-11-07

PHYSICS LETTERS A, vol. 226, no. 1-2, page. 17 - 21, 1997-02-10

PHYSICS LETTERS A, vol. 364, no. 3-4, page. 297 - 303, 2007-04-30