Modern Physics Letters A. Gravitation, Cosmology, Astrophysics, Nuclear Physics, Particles and Fields, Accelerator Physics, Quantum Information (Modern Phys. Lett. A) (20060101), 21, no.~5, 445-450. ISSN: 0217-7323 (print).eISSN: 1793-6632.
Modern Physics Letters A. Gravitation, Cosmology, Astrophysics, Nuclear Physics, Particles and Fields, Accelerator Physics, Quantum Information (Modern Phys. Lett. A) (19980101), 13, no.~26, 2095-2109. ISSN: 0217-7323 (print).eISSN: 1793-6632.
Modern Physics Letters A. Gravitation, Cosmology, Astrophysics, Nuclear Physics, Particles and Fields, Accelerator Physics, Quantum Information (Modern Phys. Lett. A) (19980101), 13, no.~8, 631-636. ISSN: 0217-7323 (print).eISSN: 1793-6632.