@book{Gantmacher:1960,
	key = "Gantmacher 1960",
	author = "F. R. Gantmacher",
	title = "The Theory of Matrices",
	publisher = "Chelsea",
	year = 1960}

@book{Minc:1988,
	key = "Minc 1988",
	author = "H. Minc",
	title = "Nonnegative Matrices",
	publisher = "Wiley",
	year = 1988}

@article{Wang&Shallit:1999,
        key = "Wang and Shallit 1999",
        author = "Wang, M.-w. and J. Shallit",
        title = "An inequality for non-negative matrices",
        journal = LAA,
        volume = 290,
        year = 1999,
        pages = "135-144"}

@article{Perron:1907a,
	key = "Perron 1907a",
	author = "O. Perron",
	title = "Grundlagen {f\"ur} eine {Theorie} des {Jacobischen}
{Kettenbruchalgorithmus}",
	journal = MA,
	volume = 64,
	year = "{\noopsort{1907a}}1907",
	pages = "11-76"}

@article{Perron:1907b,
	key = "Perron 1907b",
	author = "O. Perron",
	title = "Zur {Theorie} der {Matrices}",
	journal = MA,
	volume = 64,
	year = "{\noopsort{1907b}}1907",
	pages = "248-263"}

@article{Frobenius:1912,
	key = "Frobenius 1912",
	author = "G. Frobenius",
	title = "{\"Uber} {Matrizen} aus nicht negativen {Elementen}",
	journal = "Sitzungsberichte Preussische Akademie der Wissenschaft, Berlin",
	year = 1912,
	pages = "456-477"}

@article{Frobenius:1908,
	key = "Frobenius 1908",
	author = "G. Frobenius",
	title = "{\"Uber} {Matrizen} aus positiven {Elementen}",
	journal = "Sitzungsberichte Preussische Akademie der Wissenschaft,
Berlin",
	year = "1908-9",
	pages = "471-476,514-518"}

@article{MacCluer:2000,
	key = "MacCluer 2000",
	author = "C. R. MacCluer",
	title = "The many proofs and applications of {Perron's} theorem",
	journal = SIAMR,
	volume = 42,
	year = 2000,
	pages = "487-498"}