@article{10_14708_cm_v18i1_5805, author = {B. Lis}, title = {Particular spectral theory in finite-dimensional spaces}, journal = {Commentationes Mathematicae}, pages = { 51--61}, publisher = {mathdoc}, volume = {18}, number = {1}, year = {1974}, doi = {10.14708/cm.v18i1.5805}, language = {pl}, url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v18i1.5805/} }