1. Toy models for D. H. Lehmer's conjecture;Bannai;J. Math. Soc. Japan,2010
2. Toy models for D. H. Lehmer's conjecture II;Bannai,2013
3. A note on the Assmus–Mattson theorem for some binary codes II;Bannai;Des. Codes Cryptogr.,2023
4. A note on the Assmus–Mattson theorem for some non-binary codes;Bannai,2023
5. An elementary approach to toy models for Lehmer's conjecture;Bannai;Izv. Ross. Akad. Nauk Ser. Mat.,2011