Freese, R. W., Cho, Y. J., Boriotti, S., & Dennis, D. (2001). Geometry of linear 2-normed spaces. Nova Science Publishers.
Lua i Stíl Chicago (17ú heag.)Freese, Raymond W., Yeol Je Cho, Susan Boriotti, agus Donna Dennis. Geometry of Linear 2-normed Spaces. Huntington, N.Y.: Nova Science Publishers, 2001.
Lua MLA (9ú heag.)Freese, Raymond W., et al. Geometry of Linear 2-normed Spaces. Nova Science Publishers, 2001.
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