%0 Journal Article %A Paul TurĂ¡n %T On a Certain Limitation fo Eigenvalues of Matrices. (Short Communication). %J Aequationes mathematicae %D 1968 %P 307-308 %V 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1968__1_135982/ %F AM2_1968__1_135982