O. Myagmarjav, G. Khuukhenkhuu, C. Saikhanbayar, S. Davaa, O. Odgerel, and N. Baljinnyam, “SCATTERING PHASE SHIFTS OF LITHIUM ISOTOPES”, Int. j. math. phys., vol. 13, no. 1, pp. 55–59, Jun. 2022.