Media type: E-Article Title: Projection matrices revisited: a potential-growth indicator and the merit of indication Contributor: Logofet, Dmitrii O. Published: Springer Science and Business Media LLC, 2013 Published in: Journal of Mathematical Sciences, 193 (2013) 5, Seite 671-686 Language: English DOI: 10.1007/s10958-013-1494-3 ISSN: 1072-3374; 1573-8795 Origination: Footnote: