15 Linear and multilinear algebra; matrix theory
 
15.60 Positive matrices (6 articles) 
- 
Schwarz, Štefan:
		Some estimates in the theory of non-negative matrices.
		
			(English).
Czechoslovak Mathematical Journal,
		vol. 17
			(1967),
			issue 3,
		pp. 399-407
- 
Schwarz, Štefan:
		A new approach to some problems in the theory of non-negative matrices.
		
			(English).
Czechoslovak Mathematical Journal,
		vol. 16
			(1966),
			issue 2,
		pp. 274-284
- 
Schwarz, Štefan:
		New kinds of theorems on non-negative matrices.
		
			(English).
Czechoslovak Mathematical Journal,
		vol. 16
			(1966),
			issue 2,
		pp. 285-295
- 
Schwarz, Štefan:
		A semigroup treatment of some theorems on non-negative matrices.
		
			(English).
Czechoslovak Mathematical Journal,
		vol. 15
			(1965),
			issue 2,
		pp. 212-229
- 
Fiedler, Miroslav:
		Relations between the diagonal elements of two mutually inverse positive definite matrices.
		
			(English).
Czechoslovak Mathematical Journal,
		vol. 14
			(1964),
			issue 1,
		pp. 39,40-51
- 
Fiedler, Miroslav; Pták, Vlastimil:
		On matrices with non-positive off-diagonal elements and positive principal minors.
		
			(English).
Czechoslovak Mathematical Journal,
		vol. 12
			(1962),
			issue 3,
		pp. 382-400