References
- Beasley , LeRoy B. and Larry , J. 1972 . Chummings, Permanent groups . Proc. Amer. Math. Soc. , 34 : 351 – 355 .
- Beasley , LeRoy B. and Larry Cummings , J. 1973 . Permanent groups, II . Proc. Amer. Math. Soc. , 40 : 358 – 364 .
- Beasley , LeRoy B. and Cummings , Larry J. 1978 . Permanent semigroups . Linear and Multilinear Algebra , 5 : 297 – 302 .
- Brualdi , Richard A. 1966 . Permanent of the direct product of matrices . Pacific J. Math. , 16 : 471 – 482 .
- Kucharzewski , M. 1959 . Über die funktionalgleichung f(a)f(b)=f(ab) . Publ. Math. Debrecen , 6 : 181 – 198 .
- Littiewood , D. E. 1958 . The Theory of Group Characters and Matrix Representation of Groups , London : Oxford University Press .
- Marcus , Marvin , Minc , Henryk , Marcus , Marvin and Minc , Henryk . 1964 . A Survey of Matrix Theory and Matrix Inequalities , Boston : Allyn and Bacon .
- Merris , R. 1979 . Generalized matrix functions: a research problem . Linear and Multilinear Algebra , 8 : 83 – 86 .
- Schur , I. 1918 . Über endliche Gruppen und Hermitesche Formen . Math. Z. , 1 : 184 – 207 .