共 51 条
[21]
Karzel H., 1992, J GEOM, V44, P102, DOI [10.1007/BF01228286, DOI 10.1007/BF01228286]
[22]
Karzel H., 2007, QUASIGROUPS RELATED, V15, P47
[25]
Kepka T., 1978, Acta Univ. Carolin. Math. Phys, V19, P61
[26]
Kikkawa Michihiko, 1973, MEM FAC LIT SCI SHIM, V6, P9
[28]
Mac Lane S., 1963, GRUNDLEHREN MATH WIS
[29]
Manara C. F., 1991, I LOMBARDO ACAD SC A, V125, P203